Free for Developers
by ripienaar · ripienaar/free-for-dev
SaaS, PaaS and IaaS offerings with free tiers for developers.
API suite for various use cases, including IP geolocation, phone number validation, or email validation.
Financial news API and MCP server. Every article gets per-ticker impact analysis, a category, and a 1-10 relevance score, and SEC Form 4 insider filings are turned into scored events. The free tier includes 20 requests per minute and 100 requests per day on both REST and MCP, no card required.
Web scraping and automation platform to create an API for any website and extract data. Ready-made scrapers, integrated proxies, and custom solutions. Free plan with $5 platform credits included every month.
Auto-generate images and PDF documents with a simple API or automation tools like Zapier & Airtable. No CSS/HTML is required. The free plan comes with 50 images/month and three templates.
Get instant access to over 120+ APIs for free, built with quality, consistency, and reliability in mind. The free plan covers up to 50 API Tokens per month. (Possibly taken down, 2025-06-25)
Machine learning observability for model monitoring and root-causing issues such as data quality and performance drift. Free up to two models.
No-code, cloud-based platform for mocking and debugging multi-protocol APIs (REST, SOAP, gRPC & GraphQL), providing instant servers with rules-based logic, CRUD & stateful mocking, proxying, and CORS management for faster integration and testing. The free plan includes 50 requests per day and provides a public dashboard/endpoint where anyone with the dashboard URL can view submitted requests and responses.
Provides fast, accurate, and free (Unlimited or up to 10K-50K/month) APIs for modern web like IP Geolocation, Reverse Geocoding, Networking Insights, Email and Phone Validation, Client Info and more.
Independent web, news, image, video search and AI/LLM context API, suitable for RAG pipelines and AI agents. Free tier includes $5 in monthly credits (credit card required for verification).
Extracting and monitoring data on the web. 1k credits per month for free, equals 1k concurrent requests.
Headless browser API for automation, scraping, AI agent web access, image/pdf generation, and more. Free plan with 1k requests per month.
Enterprise-grade Public holiday API service for over 200 countries. The free plan includes 500 calls per month.
GraphQL API for Amazon.com product, search, and category data. The free plan includes 100 calls per month.
Comprehensive automotive data API with VIN decoding, stolen vehicle checks, vehicle valuation, inspection data, and more. Free tier includes 100 requests/month across all 9 endpoints.
Aggregator of expired and dropping domain listings from 16 marketplaces, with SEO enrichment (backlinks, Trust Flow, Wayback history) and a quality score. Free plan: 10 unlocked listings, 5 favorites, 3 saved searches. 7-day Pro trial on signup includes full REST API and MCP server access.
Utility API platform with full access to expansive API Library including Document Conversion, Virus Scanning, and more with 600 calls/month, North America AZ only, 2.5MB maximum file size.
Free web-based Python notebook environment with Nvidia Tesla K80 GPU.
The MLOps platform for experiment tracking, model production management, model registry, and complete data lineage, covering your workflow from training to production. Free for individuals and academics.
Composable commerce API that can build, place, and manage orders from any front end. The developer plan allows 100 orders per month and up to 1,000 SKUs for free.
An online tool for comparing differences between two JSON data structures, helping you quickly locate the differences in JSON data.
Integration platform for AI Agents and LLMs. Integrate over 200+ tools across the agentic internet.
Online File Converter for documents, images, video, audio, and eBooks. REST API is available. Libraries for Node.js, PHP, Python. Support files up to 50 GB (for paid plans). The free tier is limited by file size (20MB) and number of conversions (30/Day, 300/Month).
API and Microservice to provides a wide range of information including countries, regions, provinces, cities, postal codes, and much more. The free tier includes up to 100 requests per day.
Data integration tool that syncs between apps. It can create live dashboards and reports, transform and manipulate values, and collect and back up insights. The free plan is limited to one user, data connection, data source, and data destination. Also requires manual data refresh.
Auto-Generate PDF documents from reusable templates with a drop-and-drop editor and a simple API. The free plan comes with 100 PDFs/month and three templates.
Cube helps data engineers and application developers access data from modern data stores, organize it into consistent definitions, and deliver it to every application. The fastest way to use Cube is with Cube Cloud, which has a free tier limited to 1,000 queries per day.
Proxy service for inspecting and debugging API calls. The free plan includes 10,000 requests per month.
Realtime currency data API for fintech apps. The free plan includes 5,000 calls per month.
HTML to PDF or PDF to PNG/Text & PDF merging/extraction/merging APIs. Free tier has 600 calls a month.
Connect Airtable to any application or API with no code. Postman-like interface for running API requests in Airtable. Pre-built integrations with dozens of apps. The free plan includes 100 runs per month.
A browser extension (Google Chrome, MS Edge) for data extraction from web pages CSV or Excel. The free plan gives you 500 pages/month.
Tool for connecting, cleaning, and importing data into Salesforce. Free Plan includes up to 20,000 records per month.
Python notebooks by Jetbrains. Includes 10 GB of storage and 120 hours of runtime each month.
Cloud-based Database schema design and modeling tool with a free starter plan of 2 Database models and ten tables per model.
Free IP geolocation API with 1k request per IP per day.lite database under the CC-BY 4.0 License is free too.
Augmented reality face filters for any platform with one SDK. The free plan provides up to 10 monthly active users (MAU) and tracks up to 4 faces
A new data science notebook. Jupyter is compatible with real-time collaboration and running in the cloud. The free tier includes unlimited personal projects, unlimited basic machines with 5GB RAM and 2vCPU, and teams with up to 3 editors.
A free API providing accurate data for building the Covid-19 related useful Apps.
HTML to PDF document generation with templates, webhook delivery, and credit-based pricing. Free plan with 50 monthly credits, no credit card required.
SaaS API empowering the generation of screenshots or PDFs directly from HTML/CSS/JS code. The free plan allows 250 documents month.
Managed API to generate and privately store PDFs and Screenshots using top rendering technology. The free plan allows 400 PDFs and Screenshots per month.
Bulk fill and mail merge PDF forms from CSV using the web app or Public API. The free plan includes 100 output PDFs/month.
Generate PDF documents with JSON to PDF API based on LaTeX templates. The free plan allows 50 API calls per month and access to a library of templates.
Real-time SEC filings, insider trades, and institutional holdings API. Free tier includes 15 requests per minute.
PDF generator API with drag-and-drop template editor that provides an SDK and no-code integrations. The free plan has 250 monthly pages, unlimited users, and three templates.
Stock market and financial data API. Free plan allows 300 requests per day.
API that crawls websites and converts them into clean, LLM-ready markdown or structured data, handling JavaScript rendering, proxies, and rate limits. The free plan includes 1,000 credits per month with no credit card required.
A free, browser-based tool to format, validate,compare and minify JSON data instantly.
Screen an order transaction for credit card payment fraud. This REST API will detect all possible fraud traits based on the input parameters of an order. The Free Micro plan has 500 transactions per month.
Free, Fast and Reliable IP Geolocation API for commercial and non-commercial users available in JSON
Geekflare API lets you scrape websites into Markdown, take screenshots, perform TLS scans and DNS lookups, test load times, and more. The free plan offers 500 API credits per month (e.g., 500 DNS lookups, 250 web scrapes, or 100 screenshots). See credit mapping.
IP Geolocation API with multi-continent servers, offering a free plan with 2,000 requests per day.
a collaborative data platform for notebooks, data apps, and knowledge libraries. Free community tier with up to five projects.
Hook0 is an open-source Webhooks-as-a-service (WaaS) that makes it easy for online products to provide webhooks. Dispatch up to 100 events/day with seven days of history retention for free.
A multi-country HS (Harmonized System) and HTS (Harmonized Tariff System) code lookup API, with a free plan offering 100 lookups/day.
Build, train, and deploy NLP models for Pytorch, TensorFlow, and JAX. Free up to 30k input characters/mo.
Open-source API client for designing and testing APIs, it supports REST and GraphQL
Access over 70 (cloud)platforms such as Exact Online, Twinfield, ActiveCampaign or Visma using Invantive SQL or OData4 (typically Power BI or Power Query). Includes data replication and exchange. Free plan for developers and implementation consultants. Free for specific platforms with limitations in data volumes.
IP Geolocation API - Forever free plan for developers with a 1,000 requests per day limit.
2,000 free requests per day. Fast, enterprise grade API at non-enterprise prices. Trusted by developers, corporate, government and education clients. Servers in 12+ regions.
IP Geolocation API, Free for non-commercial use, no API key required, limited to 45 req/minute from the same IP address for the free plan.
IP geolocation API to convert IP addresses into location data including city, country, timezone, ASN, and currency. The free plan includes 1,000 requests per month.
Freemium, fast, and reliable IP geolocation API. Get data like city, coordinates, ISP, ASN, AS data and more. The free plan includes 50k credits per month. IP2Location.io also offers 500 free WHOIS and hosted domain lookups per month. See domain registration details and find domains hosted on a specific IP. Upgrade to a paid plan for more features.
IP Address Location API by Kloudend, Inc - A reliable geolocation API built on AWS, trusted by Fortune 500. The free tier offers 30k lookups/month (1k/day) without signup.
A reliable IP Address API from Developers for Developers with the best Hosting Detection capabilities that exist. The free plan offers 1000 lookups without signup.
Fast, accurate, and free (up to 50k/month) IP address data API. Offers APIs with details on geolocation, companies, carriers, IP ranges, domains, abuse contacts, and more. All paid APIs can be trialed for free.
IP Geolocation API, free up to 1,000 requests/day. Includes proxy/VPN/hosting detection, ASN data, IP to Company, and more. IPLocate also offers free downloadable IP to Country and IP to ASN databases in CSV or GeoIP-compatible MMDB formats.
An embarrassingly simple API that provides your business with reliable and helpful IP geolocation data with 50,000 free lookups per month.
Returns the Public IP address of the client it is requested from. No registration is required for the free tier. Using CORS, data can be requested using client-side JS directly from the browser. Useful for services monitoring change in client and server IPs. Unlimited Requests.
Convert JSON into an interactive table for quick viewing, editing, and sharing online.
A video editing API to automate video marketing and social media videos, programmatically or with no code.
Free tool to Visualize, Edit, Filter complex JSON data into beautiful tabular Grid. Save and Share JSON data over link link.
Create a fake REST API from a JSON object, and customize HTTP status codes, headers, and response bodies.
JSONSwiss is a powerful online JSON viewer, editor, and validator. Format, visualize, search, and manipulate JSON data with AI-powered repair, tree view, table view, code generation in 12+ programming languages, convert json to csv, xml, yaml, properties and more.
KillBait API allows users to submit URLs for content evaluation, detecting potential clickbait and categorizing articles. The API is designed for moderate publishing frequency, with limits of 1 submission per hour and 10 per day. Media partners can request higher limits.
Free gRPC GUI client to call and test gRPC APIs. Can import gRPC APIs via server reflection.
A login security API to detect fraudulent and suspicious logins and notify your customers. Free for 1,000 logins per month.
Provides real-time and historical financial data for stocks, options, mutual funds, and more. The Free Forever API tier allows for 100 daily API requests at no charge.
Simulate, evaluate, and observe your AI agents. Maxim is an end-to-end evaluation and observability platform, helping teams ship their AI agents reliably and >5x faster. Free forever for indie developers and small teams (3 seats).
Open Graph (OG) social preview image generation API. Generate dynamic 1200×630 images for Twitter, LinkedIn and Facebook via URL params, edge-cached on Cloudflare Workers. Free tier: 1,000 renders/month. Paid plans from $12/month.
It turns any website into data such as metatags normalization, beauty link previews, scraping capabilities, or screenshots as a service. 50 requests per day, every day free.
Modern standard for API documentation. Beautiful and easy-to-maintain UI components, in-app search, and interactive playground. Free for 1 editor.
MockAPI is a simple tool that lets you quickly mock up APIs, generate custom data, and perform operations using a RESTful interface. MockAPI is meant to be a prototyping/testing/learning tool. One project/2 resources per project for free.
Free mock REST API service providing realistic data across 9 domains (e-commerce, finance, healthcare, education, recruitment, social media, stock markets, weather, and aviation). No mandatory signup, no API keys, unlimited requests. Perfect for frontend prototyping, API testing, learning and teaching web development.
Mockfly is a trusted development tool for API mocking and feature flag management. Quickly generate and control mock APIs with an intuitive interface. The free tier offers 500 requests per day.
Proxy your API, choose which endpoints to mock in the cloud and inspect traffic, for free. Speed up your development and integration tests.
A free and simple tool to check your exit IP address across multiple nodes and understand how your IP appears to different global regions and services. Useful for testing rule-based DNS splitting tools such as Control D.
Search news on the web with code, and get JSON results. Developers get 100 queries free each day. Articles have a 24 hour delay.
An OCR API parses image and pdf files that return the text results in JSON format. 25,000 requests per month are free and a 1MB file size limit.
20 free pages/month: Extract data from PDFs, emails. AI powered. Full API access.
PDF Automation API, visual template editor or HTML to PDF, dynamic data integration, and PDF rendering with an API. The free plan comes with one template, 100 PDFs/month.
Developer-focused PDF generation API designed with privacy in mind. It offers Stripe-inspired documentation and includes 500 free PDF conversions per month.
Free daystream database service. All operations are performed by API. Visualization with heat maps and line graphs is also possible.
Schedule webhooks to fire at a future time with automatic retries, delivery tracking, and failure alerting. Free plan includes 1,000 webhooks per month.
Simplify workflows and create better APIs - faster - with Postman, a collaboration platform for API development. Use the Postman App for free forever. Postman cloud features are also free forever with certain limits.
A complete platform for dataflow automation. Free plan includes 5 deployed workflows and 500 minutes of serverless compute credits per month.
A hosted Apache Superset service. Forever free for teams of up to 5 users, featuring unlimited dashboards and charts, a no-code chart builder, and a collaborative SQL editor.
Free IP → country/city/ASN JSON API, no key, CORS-open. MaxMind GeoLite2.
IP API that detects residential proxies and VPNs. ProxySentry.io offers a free tier with 10k requests per month on rapidapi.com.
Turn any unstructured documents (PDF, XLSX, JPG, PPTX, etc.) into structured JSON data. Parse, extract data, and edit PDF forms. Free tier with 15k free credits and pay-as-you-go.
FFmpeg API - A REST API for FFmpeg, run FFmpeg online without handling the infrastructure. Free tier with monthly processing quota and 4 vCPUs available.
Create a free endpoint to which you can send HTTP requests. Any HTTP requests sent to that endpoint will be recorded with the associated payload and headers so you can observe recommendations from webhooks and other services.
Simple HTTP proxy API for scraping. Scrape anonymously without having to worry about restrictions, blocks, or captchas. First 100 successful scrapes per month free including javascript rendering (more available if you contact support).
Headless Chrome scraping API and free checked proxies service. Javascript rendering, premium rotating proxies, CAPTCHAs avoiding. Free 10,000 API credits.
Real-time search engine scraping API. Returns structured JSON results for Google, YouTube, Bing, Baidu, Walmart, and many other machines. The free plan includes 100 successful API calls per month.
Instantly turn any Google Sheets into a RESTful API. Free plan available, including 1,000 free rows per sheet.
Free IP Reputation & Threat Intelligence, powered by a globally distributed high interaction honeypot network and community reported abuse incidents. 1,000 free IP lookups, TAXII indicators & reports per day, pull 5,000 fresh IPs from our blacklists daily and monitor your own CIDR ranges (/16) free free.
Trigger your webhook after each operation. The free plan includes 100 cloud scrape credits.
SmartParse is a data migration and CSV to API platform that offers time- and cost-saving developer tools. The Free tier includes 300 Processing Units per month, Browser uploads, Data quarantining, Circuit breakers, and Job Alerts.
Create secure RESTful APIs from CSV files. Upload a CSV file and instantly access the data via its API allowing faster application development. The free plan includes 2 APIs and 2,500 API calls per month. You don't need a credit card.
A collection of free online SQL tools, including an SQL formatter and validator, SQL regex tester, fake data generator, and interactive database playgrounds.
API for online search and rapid insights and comprehensive research, with the capability of organization of research results. 1000 request/month for the Free tier with No credit card required.
PDF generation API with a visual template editor, dynamic data merging, and SDKs for 7 languages. Free plan includes 60 PDFs/month and 3 templates.
IP Geolocation API with 1000 free requests / day. Provides information about the location of an IP address, including country, city, region, and more.
Offers free plan of weather API. Provides accurate and up-to-date weather forecasting with global coverage, historical data and weather monitoring solutions.
Treblle helps teams build, ship, and govern APIs. With advanced API log aggregation, observability, docs, and debugging. You get all features for free, but there is a limit of up to 250k requests per month on the free tier.
API infrastructure for building gamification features like achievements, streaks, points and leaderboards in web and mobile apps. Free for 100 monthly active users.
Real-time exchange rates for 590+ currencies and crypto. Unlimited API calls on the free plan, perfect for developers and finance apps.
Simple and free VAT number validation API. 150 free validations per month.
EU VAT number validation REST API with VIES and national tax-registry fallback, returning the official VIES consultation number for audit records. Free tier of 100 validations/month, no credit card.
Global weather data including current conditions, hourly and daily forecasts, and weather alerts via our API. Integrating AI models and ML systems to analyze and combine multiple weather models to deliver improved forecast accuracy. Free tier includes 10,000 API calls/month.
Simple Web Scraping API with built-in parsing, Chrome rendering, and proxies. Two thousand free API calls per month.
The developer-first MLOps platform. Build better models faster with experiment tracking, dataset versioning, and model management. Free tier for personal projects only, with 100 GB of storage included.
A free service to check your public IPv4 and IPv6 address and related request data through an API with different output formats for automation, scripts, and network troubleshooting.
AI-powered code review assistant. The free plan has a limit of 25,000 monthly tokens (~10 PRs).
Web scraping API with headless browsers, residentials IPs, and straightforward pricing. One thousand free API calls/month and extra credits for students and non-profits.
REST API for US and Canadian postal codes with address validation, radius search, and Census demographics. 2,500 free requests/day.
Free Zip Code API, access to Worldwide Postal Code Data. 5,000 free requests/month.
Free Zip Code API and Postal Code Validation. Ten thousand free requests/month.
Free API Management platform to design, build, and deploy APIs to the Edge. Add API Key authentication, rate limiting, developer documentation and Monetization to any API in minutes. OpenAPI-native and fully-programmable with web standard apis & Typescript. The free plan offers up to 10 projects, unlimited production edge environments, 1M monthly requests, and 10GB egress.
AppFit is a comprehensive analytics and product management tool designed to facilitate seamless, cross-platform management of analytics and product updates. Free plan includes 10,000 events per month, product journal and weekly insights.
Open Source, Privacy-Friendly, and Simple Analytics for Mobile and Desktop Apps. SDKs for Swift, Kotlin, React Native, Flutter, Electron, and many others. Free for up to 20,000 events per month.
Simplified analytics release workflow. Single-source-of-truth tracking plan, type-safe analytics tracking library, in-app debuggers, and data observability to catch all data issues before you release. Free for two workspace members and 1 hour data observability lookback.
Beampipe is simple, privacy-focussed web analytics. free for up to 5 domains & 10k monthly page views.
Reverse ETL & Operational Analytics Platform. Sync 10 fields from your data warehouse to 60+ SaaS like Salesforce, Zendesk, or Amplitude.
Website Analytics Platform. Free Plan for one website with 3000 views analytics.
Web analytics made simple and therefore privacy friendly. Free or pay what you want by donation.
Secure document sharing with document tracking and engagement Analytics. Free plan supports up to 20 PDF documents (10 MB max), 10 contacts, and 2 shares per document with basic analytics for views downloads, time and engagement.
Privacy-focused, cookie-free analytics, free for up to 3k events/month.
Simple analytics for people managing lots of sites. Install manually or let Claude/Cursor do it for you. Free for up to 10k events/month.
GoatCounter is an open-source web analytics platform available as a hosted service (free for non-commercial use) or self-hosted app. It aims to offer easy-to-use and meaningful privacy-friendly web analytics as an alternative to Google Analytics or Matomo. The free tier is for non-commercial use and includes unlimited sites, six months of data retention, and 100k pageviews/month.
Automatically captures every user action in iOS or web apps. Free for up to 10K monthly sessions.
Hightouch is a Reverse ETL platform that helps you sync customer data from your data warehouse to your CRM, marketing, and support tools. The free tier offers you one destination to sync data to.
Privacy-focused, open-source web and product analytics platform with a free cloud plan for 3 websites, 3 team members, 60-day data retention, AI analytics, goals, funnels, events, and hits.
Website Analytics and Reports . Free Plan allows 2000 pageviews/day. One hundred snapshots/day (max capacity: 300). Three snapshot heatmaps can be stored for 365 days. Unlimited Team Members. Also in App and standalone surveys, feedback widgets with screenshots. Free tier allows creating 3 surveys & 3 feedback widgets and collecting 20 responses per month.
Full unified web and product analytics platform, including embeddable analytics widgets and automated robots (slack, telegram, and webhooks). Free plan includes 10,000 events per month.
100,000 monthly tracked users, unlimited data history and seats, US or EU data residency
Full Product Analytics suite free for up to 1m tracked events per month. Also provides unlimited in-App Surveys with 250/month responses.
Beautiful dashboard for tracking GitHub repo traffic history longer than 14 days. Free Plan allows users to monitor traffic for a single repository.
Blazingly fast, connected spreadsheet. Connect directly to data databases, S3, and APIs. Import, analyze, graph, and share millions of rows instantly. Three free (forever) workbooks.
Open-source and cookieless alternative to Google Analytics that is 10x more intuitive. Free plans has 3,000 monthly events.
Seline is a simple & private website and product analytics. Cookieless, lightweight, independent. Free plan includes 3,000 events per month and provides access to all our features, such as the dashboard, user journeys, funnels, and more.
Website Viewer Analytics. Free plan for analytics of 500 most recent visitors.
All-in-one platform spanning across analytics, feature flagging, and A/B testing. Free for up to 1m metered events per month.
AI Analytics for E-commerce. Ask questions in natural language about your analytics, get actionable recommendations and grow your revenue with AI-powered insights. Free for up to 10k events per month.
Automatically detect digital analytics, marketing data and pixels issues, maintain up-to-date tracking plans, and foster seamless collaboration. Deploy it to your production environment with real traffic or add analytics coverage to your regression tests without writing code.
Free lightweight privacy-focused alternative to Google Analytics. Unlimited pageviews, unlimited visitor, unlimited page heatmaps & goal tracking. Free for up to 3 domains and 600 session replay per domain.
Test designs and mockups on real people and track visitors. Free for one user, unlimited tests
Private and public artifact repos for Maven, PyPi, NPM, Go Module, Nuget, APT, and RPM repositories. Free for public projects.
Maven repository for JVM and Android projects on GitHub, free for public projects.
Build & scale AI models, Develop, train, and deploy AI applications, free plan: public projects, 5Gb storage, basic instances.
RepoFlow Simplifies package management with support for npm, PyPI, Docker, Go, Helm, and more. Try it for free with 10GB storage, 10GB bandwidth, 100 packages, and unlimited users in the cloud, or self-hosted for personal use only.
Private cloud-hosted repository for Python, Debian, NPM packages and Docker registries. Free plan for open source/public projects.
A free tool to search a username across 90+ social platforms to find matching profiles.
Fine-grained authorization as a service for applications and APIs. Free up to 1000 MAUs and 100 authorizer instances.
Seamless Integration of SSO, MFA, passwordless auth and more. Includes SDKs for frontend and backend apps. Free up to 1000 MAUs and five identity providers.
Hosted SSO. The free plan includes 25,000 MAUs, unlimited Social Connections, a custom domain, and more.
Bring Passwordless, OTPs, 2FA, SSO to your apps in minutes. All Front-end included. Free up to 5000 MAUs.
Authentication login and access control, unlimited identity providers for any project. Facebook, Google, Twitter and more. The first 1000 API calls are free.
Two-factor authentication (2FA) on multiple devices, with backups. Drop-in replacement for Google Authenticator. Free for up to 100 successful authentications.
A complete authorization management system for authoring, testing, and deploying access policies. Fine-grained authorization and access control, free up to 100 monthly active principals.
User management, authentication, 2FA/MFA, prebuilt UI components for sign-in, sign-up, user profiles, and more. Free plan includes unlimited applications, 50,000 MRU limit per app, 3 dashboard seats, and more.
Keycloak Identity and Access Management as a Service. Free up to 100 users and one realm.
Highly customizable AuthN flows, has both a no-code and API/SDK approach, Free 7,500 active users/month, 50 tenants (up to 5 SAML/SSO tenants).
Two-factor authentication (2FA) for website or app. Free for ten users, all authentication methods, unlimited, integrations, hardware tokens.
Simple, robust authentication you can integrate with your product in minutes. Everything you need to get started with 7,500 free MAU.
Two-factor authentication (2FA) by push notifications, free for ten users, VPN, Websites, and SSH
Develop, secure, and manage user identities of your product - for both authentication and authorization. Free for up to 5,000 MAUs with open-source self-hosted option available.
MojoAuth makes it easy to implement Passwordless authentication on your web, mobile, or any application in minutes.
User management, authentication and authorization. Free for up to 100 monthly active users.
AuthN/AuthZ/OAuth2.0/Zero Trust managed security platform. Forever free developer accounts with all security features, unlimited team members, 200 daily active users, and 25k/mo permission checks.
Auhtorization-as-a-service provider platform enabling RBAC, ABAC, and ReBAC for scalable microservices with real-time updates and a no-code policy UI. A 1000 Monthly Active User free tier.
Keycloak Open Source Identity and Access Management. Free realm up to 1000 users, up to 10 SSO connections, leveraging Phase Two's Keycloak enhanced container which includes the Organization extension.
A Sell to companies of any size immediately with a few lines of code, free up to 200 users and 10k Transactional Emails (with a watermark branding: "Powered by PropelAuth").
Enterprise SSO (SAML, OIDC), SCIM provisioning, and social logins for B2B SaaS. Free tier includes 1 million MAU, 100 organizations, 1 SSO connection, and 1 SCIM connection.
Open-source authentication that doesn't suck. The most developer-friendly solution, getting you started in just five minutes. Self-hostable for free, or offers a managed SaaS version with 10k free Monthly Active Users.
An all-in-one platform that provides APIs and SDKs for authentication and fraud prevention. The free plan includes 10,000 monthly active users, unlimited organizations, 5 SSO or SCIM connections, and 1,000 M2M tokens.
Open source user authentication that natively integrates into your app - enabling you to get started quickly while controlling the user and developer experience. Free for up to 5000 MAUs.
Free user management and authentication for up to 1 Million MAUs. Support email + password, social auth, Magic Auth, MFA, and more.
A turnkey user and access management that works for you and supports multi-tenant (B2B) use cases. Free for up to 25,000 authenticated requests, with all security features (no paywall for OTP, Passwordless, Policies, and so on).
Build automation flows to connect several apps together in your app's backend. For example, send a Slack message or add a Google Sheet row when an event fires in your app. Free up to 5,000 tasks per month.
Back4App is an easy-to-use, flexible and scalable backend based on Parse Platform.
Mobile and Web Baas, with 1 GB file storage free, push notifications of 50,000/month, and 1000 data objects in the table.
Unlimited chat messages, p2p voice & video calls, files attachments and push notifications. Free for apps up to 1000 users.
Reactive backend as a service, hosting your data (documents with relationships & serializable ACID transactions), serverless functions, and WebSockets to stream updates to various clients. Free for small projects - up to 1M records, 5M monthly function calls.
Define, version, and deploy automation scripts using YAML. A developer-first alternative to drag-and-drop tools. Can be used for scheduled tasks, AI agents, and infrastructure monitoring. Free tier includes 100 credits/month.
Build your Flutter App UI without writing a single line of code. Also has a Firebase integration. The free plan includes full access to UI Builder and Free templates.
Build scalable In-App Chat, Messaging, Video and audio, and Feeds in a few hours instead of weeks
Mobile backend. 1GB of data storage, 256MB instance, 3K API requests/day, and 10K pushes/day are free. (API is very similar to Parse Platform)
Serverless backend for web and mobile apps. The free plan includes PostgreSQL, GraphQL (Hasura), Authentication, Storage, and Serverless Functions.
Unlimited free push notifications. 10,000 email sends per month, with unlimited contacts and access to Auto Warm Up.
Backend service API with flexible authentication, full-text search and caching. Free for one app, 1GB of app data.
Free, unlimited push notifications for 2000 monthly active users. A single API for iOS and Android devices.
Move data everywhere instantly and automatically, multi-platform, unlimited sending and storage of structured data, max. 2,500 users/month
The Open Source Firebase Alternative to build backends. Free Plan offers Authentication, Realtime Database & Object Storage.
API management with authentication, quotas, monitoring and analytics. Free cloud offering
Connect the apps you use to automate tasks. Five zaps every 15 minutes and 100 tasks/month
Up to 5 TB per month of Free CDN traffic, 19 Core PoPs , 1 Domain and Universal SSL.
Simple. Fast. Reliable. Content delivery at its finest. cdnjs is a free and open-source CDN service trusted by over 11% of all websites, powered by Cloudflare.
The Google Hosted Libraries is a content distribution network for the most popular Open Source JavaScript libraries
Global content delivery network, 1 TB and 1 million requests per month free and
A free, fast, and reliable open-source CDN. Supports npm, GitHub, WordPress, Deno, and more.
The Microsoft Ajax CDN hosts popular third-party JavaScript libraries such as jQuery and enables you to easily add them to your Web application
Free cloud Secure Web Gateway. Free plan includes up to 5 users and 1 GB per day.
A modern replacement of rawgit.com which simply hosts file using Cloudflare
The 100% Native ES Module JavaScript CDN. Free for 1 million requests per domain per month.
CDN for Git repos (GitHub, GitLab, Bitbucket), WordPress-related assets, and images
Stellate is a blazing-fast, reliable CDN for your GraphQL API and free for two services.
Proxy for Packagist and GitHub. Never fail CD. Free for personal use, one developer, no support
An image cache & resize service. Manipulate images on the fly with a worldwide cache.
An enterprise-grade mobile DevOps platform that automates the build, test, and publish store of mobile apps for faster, efficient release cycle. Free for 30 minutes max build time per build, 20 monthly builds and 1 concurrent build.
A CI/CD for mobile apps, native or hybrid. With 200 free builds/month 10 min build time and two team members. OSS projects get 45 min build time, +1 concurrency and unlimited team size.
A CI/CD with five free projects and one concurrent run (120 executions/month)
CI Pipelines free for 3 users and 5k job minutes/month. Test Analytics free
Database CI/CD and DevOps. Free under 20 users and ten database instances
Deploy your app on AWS/GCP/Azure in under 30 minutes. Setup standardised app environments on any cloud, which come with in-built continuous deployment automation and advanced observability. The free plan allows 1 user and 1 app environment.
The workflow automation tool lets you connect apps and automate workflows using UI. It supports many apps and the most popular APIs. Free for public GitHub repositories, and free tier with 100 Mb, 1000 Operations, and 15 minutes of minimum interval.
workflow automation and merge queue for GitHub - Free for public GitHub repositories
Nx Cloud speeds up your monorepos on CI with features such as remote caching, distribution of tasks across machines and even automated splitting of your e2e test runs. It comes with a free plan for up to 30 contributors with generous 150k credits included.
Run GitHub Actions and GitLab CI pipelines smarter with real-time scaling Spike Instances. Free tier includes 400 vCPU-minutes, 800 GB-minutes, and 10 concurrent jobs with high-performance runners (12 vCPU and 32 GB RAM per job).
Management platform for Infrastructure as Code. Free plan features: IaC collaboration, Terraform module registry, ChatOps integration, Continuous resource compliance with Open Policy Agent, SSO with SAML 2.0, and access to public worker pools: up to 200 minutes/month
creates a VM for each branch and makes your app available from a unique URL, Unlimited public & private repos, Up to 2 GB VM Sizes.
Terramate is an orchestration and management platform for Infrastructure as Code (IaC) tools such as Terraform, OpenTofu, and Terragrunt. Free up to 2 users including all features.
GitOps-first Terraform automation with pull request-driven workflows, project isolation via self-hosted runners, and layered runs for ordered operations. Free for up to 3 users.
Headless CMS. Content management and delivery APIs in the cloud. Comes with one free Community space that includes five users, 25K records, 48 Content Types, 2 locales.
Headless PIM with ecommerce support. Built-in GraphQL API. The free version includes unlimited users, 1000 catalog items, 5 GB/month bandwidth, and 25k/month API calls.
Offers free tier for small projects. DatoCMS is a GraphQL-based CMS. On the lower tier, you have 100k/month calls.
Offers free tier for small projects. GraphQL first API. Move away from legacy solutions to the GraphQL native Headless CMS - and deliver omnichannel content API first.
Headless CMS. Content management interface with fully hosted and scalable API. The Community Plan provides unlimited API calls, documents, custom types, assets, and locales to one user. Everything that you need for your next project. Bigger free plans are available for Open Content/Open Source projects.
Platform for structured content with an open-source editing environment and a real-time hosted data store. Unlimited projects. Unlimited admin users, three non-admin users, two datasets, 500K API CDN requests, 10GB bandwidth, and 5GB assets included for free per project.
Free AI website creator from Mozilla, create a beautiful website for your business from a few simple inputs. Free custom domain, no credit card needed.
Offers free tier for small projects. API / GraphQL first. Open source and based on event sourcing (versing every change automatically).
A Headless CMS for developers and marketers that works with all modern frameworks. The Community (free) tier offers Management API, Visual Editor, ten sources, Custom Field Types, Internationalization (unlimited languages/locales), Asset Manager (up to 2500 assets), Image Optimizing Service, Search Query, Webhook + 250GB Traffic/month included.
Replacing Forestry.io. Open source Git-backed headless CMS that supports Markdown, MDX, and JSON. The basic offer is free with two users available.
Set up WordPress on any cloud in less than 5 minutes! The free tier includes 1 server, 2 sites, free SSL certificates, and unlimited cron jobs. No time limits or expirations-your website, your way.
Collaborative solution to visually build and manage cloud infrastructures from end-to-end.
Free for personal projects (includes one deployment server, one static site), Cloud 66 gives you everything you need to build, deploy, and grow your applications on any cloud without the headache of the “server stuff.”.
Deployment.io helps developers automate deployments on AWS. On our free tier, a developer (single user) can deploy unlimited static sites, web services, and environments. We provide 10 job executions free per month with previews and auto-deploys included in the free tier.
Modern infrastructure as a code platform that allows you to use familiar programming languages and tools to build, deploy, and manage cloud infrastructure.
Scalr is a Terraform Automation and COllaboration (TACO) product used to better collaboration and automation on infrastructure and configurations managed by Terraform. Full Terraform CLI support, OPA integration, and a hierarchical configuration model. No SSO tax. All features are included. Use up to 50 runs/month for free.
A free no-code app builder. It provides complete access to the automatically generated backend source code and allows for unlimited APIs and routes. The free plan includes three projects and five tables.
Converts Figma designs into dynamic Flutter and React applications. Its code generation technology is designed to optimize workflows for building production-ready mobile and web experiences.
An AI-powered site builder and editor that generates production-ready frontend code from text prompts, sketches, or resumes. Features include native Android (APK) export and a free tier with 5 generations per month (unlimited via custom Gemini API key).
A C#-specific tool that generates boilerplate code on the fly during compilation to keep source code clean. It is free for open-source projects; its commercial-friendly free tier includes up to three aspects.
A high-speed AI code completion plugin for VS Code, JetBrains, and Neovim. The free tier provides unlimited inline completions with a focus on ultra-low latency.
Created by Vercel, v0 generates copy-and-paste friendly React code using shadcn/ui and Tailwind CSS. It uses a credit system, providing 1,200 starting credits and 200 free credits monthly.
A complete workflow to write, review, and deploy code), a free account for one user, and one repository with 100 MB of storage
Automated code reviews for PHP, Python, Ruby, Java, JavaScript, Scala, CSS, and CoffeeScript, free for unlimited public and private repositories
Automated Infrastructure as Code review tool for DevOps integrates with GitHub, Bitbucket, and GitLab (even self-hosted). In addition to standard languages, it also analyzes Ansible, Terraform, CloudFormation, Kubernetes, and more. (open-source free)
Automated Code Review for Git. The free version includes unlimited users, public repositories, and one private repo.
AI-powered code review tool that integrates with GitHub/GitLab. Free tier includes 200 files/hour, 3 reviews per hour, and 50 conversations/hour. Free forever for open source projects.
Automate performance tracking in your CI pipelines. Catch performance regressions before deployment, thanks to precise and consistent metrics. Free forever for Open Source projects.
Advanced static analysis for automatically finding runtime errors in JavaScript code, free for Open Source
DeepSource continuously analyzes source code changes, finding and fixing issues categorized under security, performance, anti-patterns, bug-risks, documentation, and style. Native integration with GitHub, GitLab, and Bitbucket.
Instantly find the differences between two blocks of code. Completely free to use.
EverSQL - The #1 platform for database optimization. Gain critical insights into your database and SQL queries automatically.
The #1 static code analyzer for Postgresql optimization. Performance, security, and architect database issues automatic detection service
Code review for GitHub repositories, free for public or personal repos.
Static code analysis for Java, C/C++, C# and JavaScript, free for Open Source
Programming language aware diff for GitHub pull requests and commits, free for public repositories
Automated source code analysis for Java, JavaScript, C/C++, C#, VB.NET, PHP, Objective-C, Swift, Python, Groovy and even more languages, free for Open Source
Google Keep for Code Snippets. Organize, Discover, and share code snippets, featuring a powerful code screenshot tool with preset templates and a linking feature.
Search and dependency update notifications for 32 different package managers, free for open source
Search various websites like GitHub, Gitlab, Heroku, Netlify, and many more for the availability of your project name.
Surfaces TODO comments (and other markers) to identify areas of code worth returning to for improvement.
GraphComment is a comments platform that helps you build an active community from the website’s audience.
A feature-rich comment system for WordPress, Tumblr, Blogger, and many other website platforms.
Open source hosted comments platform, pay what you can for "One moderator on a few domains with complete control over behavior & appearance"
A lightweight comments widget built on GitHub issues. Use GitHub issues for blog comments, wiki pages, and more!
Store up to 0.5 TB of logs with 30-day retention. Includes integrations with platforms like Vercel and advanced data querying with email/Discord notifiers.
Error-tracking with Sentry-SDK compatibility. Free for up to 5,000 errors/month, or unlimited use when self-hosted.
JavaScript error tracking with screenshots and click trails. Free for open-source projects.
Error logging and uptime monitoring for web developers. Free Small Business subscription for open-source projects.
Mobile app monitoring. Free for small teams with up to 1 million user sessions per year.
Real-time error, feature, log reporting, and more. Free for 3k events per month/1 user. Open source and easy to self-host for unlimited use.
Simple, open-source error tracking. Compatible with open-source Sentry SDKs. 1000 events per month for free, or can self-host with no limits
Cloud device observability and debugging platform. 100 devices free for Nordic, NXP, and Laird devices.
Exception and error monitoring, free plan with 5,000 errors/month, unlimited users, 30 days retention
Sentry tracks app exceptions in real-time and has a small free plan. Free for 5k errors per month/ 1 user, unrestricted use if self-hosted
One-click bug reports straight in your browser. Free plan with unlimited recordings for personal use.
Free public DNS Resolver, which is fast and secure (encrypt your DNS query), provided by Cloudflare. Useful to bypass your internet provider's DNS blocking, prevent DNS query spying, and to block adult & malware content. It can also be used via API. Note: Just a DNS resolver, not a DNS hoster.
Free DNS hosting with API support, designed with security in mind. Runs on open-source software and is supported by SSE.
Free DDNS with up to 5 domains on the free tier. With configuration guides for various setups.
Free DDNS service with API support and management of a lot of dns record types (like CNAME, MX, SPF, SRV, TXT and others).
Free DNS hosting. Also, provide free subdomains based on numerous public user contributed domains. Get free subdomains from the "Subdomains" menu after signing up.
Free .localcert.net subdomains compatible with public CAs for use with-in private networks
a dynamic DNS service that allows up to 3 hostnames free with confirmation every 30 days
Free DDNS service without registration, tracking, logging or advertising. No limit to domains.
Free DNS service that when queried with a hostname with an embedded IP address returns that IP address.
Free DNS hosting service with instant DNS propagation. Free plan: 1 DNS zone (domain name) with up to 10 DNS records.
Map tools that work like clockwork. Fifty thousand free monthly queries (map tiles, db2vector, elevation).
Location discovery, venue search, and context-aware content from Places API and Pilgrim SDK.
Vector and raster map tiles, geocoding, places, routing, isolines APIs. Three thousand free requests/day.
Geocoding and Geoparsing via API or CSV Upload. 10k free queries/month.
Geocoding API with language correction and more. Worldwide coverage. 2,500 free daily queries
A free developer package is offered for Routing, Route Optimization, Distance Matrix, Geocoding, and Map Matching.
APIs and SDKs for maps and location-aware apps. 250k transactions/month for free.
Geocoding, reverse geocoding, places, static maps, and vector map tiles APIs. Free tier includes 3,000 geocoding requests/day, 300 reverse geocoding requests/day, and 100 static map images/day.
Geocoding, Maps, and Routing APIs. Five thousand requests/day for free.
Vector maps, map services and SDKs for map visualization. Free vector tiles with weekly updates and four map styles.
OpenStreetMap's free geocoding service, providing global address search functionality and reverse geocoding capabilities.
Geocoding API aggregating OpenStreetMap and other open geo sources. Two thousand five hundred free queries/day.
Geocoding, search results ranked by the popularity of related Wikipedia page.
Free geocoding for global places and coordinates. 25,000 Requests per month for personal use.
Map tiles, routing, navigation, and other geospatial APIs. Two thousand five hundred free map views and API requests/day for non-commercial usage and testing.
High-Quality Free and Premium Admin Dashboard and Website Templates created with Angular, Bootstrap, React, VueJs, NextJS, and NuxtJS!
A free installable Web app for drawing SVGs and exporting in SVG, PNG, jpeg, and other formats.
Generate an entire year's worth of unique icons in a single click, absolutely FREE
Offers a well-crafted admin dashboard & and UI kits designed to simplify and speed up modern web development.
A free online drawing document web page with free save to local and export support.
Online, collaborative design tool for teams; free tier includes unlimited files and viewers with a max of 2 editors and three projects.
A fully customizable product adoption platform for building onboarding and user engagement experiences. Free for up to 250 monthly tracked users.
Generate, edit, and publish beautiful websites and landing pages for your startup. All without code. The free tier allows you to have one website, fully customizable and published on the web.
Company logo API with 44M+ brands that's as easy as calling a URL. First 10,000 API calls are free.
Design, prototyping, and collaboration, free plan limited to one user and project.
Unlimited mind maps for free and store them in the cloud. Your mind maps are available everywhere, instantly, from any device.
Mockplus iDoc is a powerful design collaboration & handoff tool. Free Plan includes three users and five projects with all features available.
A Free, Advanced online design editor with Adobe Photoshop UI supporting PSD, XCF & Sketch formats (Adobe Photoshop, Gimp and Sketch App).
A fast, easy-to-use, robust web design tool and page builder that integrates into your codebase. Build responsive pages or complex components; optionally extend with code; and publish to production sites and apps.
Create fully interactive UI prototypes without coding. The free tier is available when the free trial ends. The free tier includes one user, one project, five prototypes, 100MB of online storage, and a preview of the proto.io app.
Quant Ux is a prototyping and design tool. - It's completely free and also open source.
Preview your theme changes across different components and layouts.
Low-code Front-end Design & Development Platform. TeleportHQ is the collaborative front-end platform to instantly create and publish headless static websites. Three free projects, unlimited collaborators, and free code export.
Selected high quality, modern design, professional and easy-to-use Free Admin Dashboard Template,
Effortless landing page builder with hosting. One website for free.
WYSIWYG website builder for tailwindcss-based designs. Free for non-commercial usage.
WYSIWYG website builder with animations and website hosting. Free for two projects.
Open-source alternative to Webflow. The free plan offers unlimited websites on their domain. Five websites with custom domains. Ten thousand page views/month. 2 GB asset storage.
Collaborative flowcharts, wireframes, sticky notes and mind maps. Create up to 4 free boards.
Download High Quality Free and Premium Admin dashboard template created with Angular, React, VueJs, NextJS, and NuxtJS! HTML Themes and UI Kits to create your applications faster!
Designer and developer collaboration platform. Show designs, assets, and style guides. Free for one project.
Share your ideas, knowledge, and stories with the world for Free in the form of Modern multimedia short-format Miniblogs.
Free blogging platform with custom domain support, and fast global performance.
Harbor based Container Management Solution. The free tier offers 1 GB of storage for private repositories.
One free private repository and unlimited public repositories to build and store Docker images
Free subdomain registration across multiple domain suffixes, with custom nameserver support.
Offers free certification-aligned courses in topics like cybersecurity, networking, and Python.
Free, open-source AWS certification practice exams with 1,050+ questions for CLF-C02. Features timed mock exams, domain practice, spaced repetition, and progress tracking.
Free short courses from industry-leading experts to get hands-on experience with the latest generative AI tools and techniques in an hour or less.
Free, self-paced training for the Cisco DevNet Expert / CCIE Automation certification. Covers Python Click and Flask-RESTx.
Free online guides for learning Django as their first framework & gives free dofollow backlink to articles written by users.
Offers access to over 4,000 free online courses from 250 leading institutions, including Harvard and MIT, specializing in computer science, engineering, and data science.
Free, open-source programming education in over 75 programming languages, with human mentoring. A nonprofit organisation.
Free platform with lots of Resume templates of Experienced Professionals, ready to clone and edit fully and download, ATS optimized.
Open-source platform offering free courses and certifications in Data Analysis, Information Security, Web Development, and more.
Free university-level course on modern web development with React, Node.js, GraphQL, TypeScript, and more. Fully online and self-paced.
AI-powered resume builder with real-time editing and ATS optimization. Free tier includes automatic CV conversion to premium templates (Harvard, Europass), PDF export, job tracker with unlimited job posting insights and CV sharing with chat/voice features.
Free online guides for learning basic and advanced HTML/CSS, JavaScript and SQL.
Develop skills in Linux, DevOps, Cybersecurity, Programming, Data Science, and more through interactive labs and real-world projects.
MIT OpenCourseWare is an online publication of materials from over 2,500 MIT courses, freely sharing knowledge with learners and educators around the world. Youtube channel can be found at @mitocw
Free, open-source resume builder with dozens of templates. Exports to PDF, DOCX and also provides a publicly shareable link to the resume (opt-in).
Free learning roadmaps covering all aspects of development from Blockchain to UX Design.
Free, open-source platform with a curriculum focused on JavaScript and Ruby for web development.
Offers free tutorials on web development technologies like HTML, CSS, JavaScript, and more.
Transactional email service, free for 1000 emails per month, with unlimited domains, team members, webhooks and message routes in the free plan.
Open source, anonymous email alias/forwarding solution with PGP encryption, reply capability, 10 random & 1 custom alias on the free plan with developer API & CLI.
Open-source anonymous email forwarding, create unlimited email aliases for free
10 API requests per hour for email verification, IP, and phone number validation in the free tier. No Credit Cards are required.
Turn incoming emails into webhooks to trigger your API from emails. The service is completely free.
Test if the email's DNS/SPF/DKIM/DMARC settings are correct, free service by roundsphere.com
Up to 2 Email addresses under your domain for free with 100MB of storage space. IMAP, POP3, SMTP, SPF/DKIM support.
Block disposable emails, catch typos, and validate MX records via a simple API. 100 free requests/month.
This is not an entire email server; this is just an email client that you can use to send emails right from the client without exposing your credentials, the free tier has 200 monthly requests, 2 email templates, Requests up to 50Kb, Limited contacts history.
Free email infrastructure grader that checks SPF, DKIM, DMARC and mail server configuration. Scores any domain out of 100. No signup required.
free 12,000 emails/month, Email API and SMTP, SPF/DKIM/DMARC support, No Credit Cards are required.
Ethereal is a fake SMTP service, mainly aimed at Nodemailer and EmailEngine users (but not limited to). It's an entirely free anti-transactional email service where messages never get delivered.
Free email forwarding for custom domains. Create and forward an unlimited amount of email addresses with your domain name (note: You must pay if you use .casa, .cf, .click, .email, .fit, .ga, .gdn, .gq, .lat, .loan, .london, .men, .ml, .pl, .rest, .ru, .tk, .top, .work TLDs due to spam)
Sandbox Email Server for testing email functionality across build/qa and ci/cd. Free accounts get 15 emails a day forever.
Create up to 3 temporary emails a day, then delete them when you're done from within a handy Chrome extension. Perfect for testing signup flows.
Free temporary/disposable email inbox, with up to 3-day email auto-deletes. Open source and can be self-hosted.
Email forwarding for custom domains with ARC/DKIM signing. Free plan includes 1 domain, 1 mailbox, 300 emails/month, and up to 1MB message size. Email receiving webhook also available. Special plans for open-source projects.
Test if the email's DNS/SPF/DKIM/DMARC settings are correct, 20 free/month.
Email API with REST API and SMTP integrations, free for upto 3,000 emails/month.
Prevent users to sign up with temporary email addresses, 120 requests/hour (~86,400 per month)
Up to 100 subscribers and unlimited emails as well as automations for free.
SMTP relay and email API for developers. 5,000 emails per month, unlimited domains, free email verification, blacklist monitoring, mail tester and more.
Free API for temporary email testing, free public email hosting, outbound capture, email-to-slack/websocket/webhook (1,500 monthly API limit)
Email API, SMTP, 3,500 emails/month free for transactional and marketing emails. Email Sandbox - fake SMTP server for development, free plan with one inbox, 100 messages, no team member, two emails/second, no forward rules.
Free 10 Email IDs, 1 Domain, 1 Mailbox. Single Mailbox for All Email IDs.
Free secure email account service provider with built-in end-to-end encryption. Free 1GB storage.
Transactional emails API for developers. 3,000 emails/month, 100 emails/day free, one custom domain.
Free email deliverability test with no signup. Generates a unique inbox address, then analyzes SPF, DKIM, DMARC, Rspamd spam score, 23+ RBL blacklists, reverse DNS, and content quality. Unlimited tests, results in seconds, shareable report pages.
Email framework as a service, that adds templates, automations, history, etc to your own SMTP server (E.g. AWS, Maileroo, Gmail). Free up to 100 emails/day, no time limit.
Open source, self-hostable email alias/forwarding solution. Free 10 Aliases, unlimited bandwidth, unlimited reply/send. Free for educational staff (student, researcher, etc.).
Free disposable temporary email service with multiple emails at once and forwarding
Temporary / Disposable Mail Gen Utilizing a range variety of domain. Email Address refreshes everytime, the page is reloaded. It is entirely free and does not include any pricing for their services.
Verify up to 200 emails a month for free and see if an email is temporary or not.
Free disposable email addresses with forwarding and automatic address expiration
Free secure email account service provider with built-in end-to-end encryption, no ads, no tracking. Free 1GB storage, one calendar (Tuta also have an paid plan.). Tuta is also partially open source, so you can self-host.
Real-time email verification API with mailbox confirmation and disposable email address detector; 25 free email verifications/day.
Waitlist management software for product launches. Create branded waitlist pages, collect and verify email subscribers, manage signups with tags and analytics. Free plan includes 100 subscribers/month, 1 waitlist, and API access.
Open-Source feature flags & A/B testing. Configuration as Code & Fully Typed Typescript SDKs. Strong integration with Frameworks such as Next.js & React. Generous free tier and cheap scaling options.
ConfigCat is a developer-centric feature flag service with unlimited team size, excellent support, and a reasonable price tag. Free plan up to 10 flags, two environments, 1 product, and 5 Million requests per month.
Release features with confidence; manage feature flags across web, mobile, and server-side applications. Use our hosted API, deploy to your own private cloud, or run on-premise.
Open source feature flag and A/B testing provider with built-in Bayesian statistical analysis engine. Free for up to 3 users, unlimited feature flags and experiments.
Type-safe feature flags, A/B testing, analytics and app configuration, with Git-style version control and synchronous, in-memory, local flag evaluation. Free for up to 5 team members with unlimited feature flags and A/B tests.
EU-hosted feature flag management with scheduled releases, instant rollback, and A/B testing. 12 SDKs included. Free plan up to 500K API requests/month, unlimited flags, 3 team members, no credit card required.
A robust platform for feature management, A/B testing, analytics, and more. Its generous free plan offers unlimited seats, flags, experiments, and dynamic configurations, supporting up to 1 million events per month.
Enterprise-ready, scalable multi-regional feature toggles management platform. Free plan up to 10 flags, two environments, unlimited requests. SDK, analytics dashboard, release calendar, Slack notifications, and all other features are included in the endless free plan.
Codemagic is a fully hosted and managed CI/CD for mobile apps. You can build, test, and deploy with a GUI-based CI/CD tool. The free tier offers 500 free minutes/month and a Mac Mini instance with 2.3 GHz and 8 GB of RAM.
FlutLab is a modern Flutter online IDE and the best place to create, debug, and build cross-platform projects. Build iOS (Without a Mac) and Android apps with Flutter.
FlutterFlow is a browser-based drag-and-drop interface to build mobile app using flutter.
The fonts presented on this website are their authors' property and are either freeware, shareware, demo versions, or public domain.
Offers multiple tools; @font-face, Units Converter, Font Hinter and Font Submitter.
Freeware fonts licensed for commercial work. Hand-selected these typefaces and presented them in an easy-to-use format.
free and open source service for delivering font families to websites using CSS.
Opensourced Google fonts tagged by users. With CJK (Chinese,Japanese, Korean) font tags.
is a free fonts service. It’s a growing collection of professional-grade fonts, 100% free for personal and commercial use.
Many free fonts are easy and quick to install on a website via a download or a link to Google's CDN.
Form backend platform for intelligent developers. The free plan allows 250 form submissions per month. Friendly modern GUI. Integrates with Google Sheets, Airtable, Slack, Email, and others.
Powerful, developer-friendly form builder. Build signup & login, user onboarding, payment flows, complex financial applications, and more. The free plan allows up to 250 submissions/month and five active forms.
Free plan allows collecting 25 total feedback submissions. Easy to integrate with React and Vue components provided.
Form builder and backend with AI-driven logic. Free plan includes 100 responses per month, unlimited forms (including AI-created forms), webhooks, and embedding.
Form Plume is a form backend for HTML and JavaScript forms. One endpoint gets you spam filtering, email notifications, file uploads, webhooks, and a clean inbox. Free for 500 submissions/mo.
Endpoint for HTML forms submissions. With notifications, spam blockers, and GDPR-compliant data processing. Free plan for basic usage.
Share and embed unique-looking forms on your website-no limits on the number of forms created or features restricted by the plan. Get up to 100 submissions every month for free.
Headless form backend for developers. The free plan allows 100 form submissions per month including file uploads, server-side field validation, email notifications, spam protection and Zapier.
Unlimited forms with 50 monthly submissions, spam protection, email notification, and a drag-and-drop designer that can export HTML. Additional features include custom field rules, teams, and integrations to Google Sheets, Slack, ActiveCampaign, and Zapier.
Online forms, unlimited single page forms/month, 100 submissions/month, email notifications.
Create unlimited forms get unlimited submissions free of cost. Use professionally created 1000+ form templates or create forms from scratch. Get features like email notifications, form logic, collect payments, file upload, custom thank you page, and many more.
Create online forms with powerful features like conditional logic, automatic score calculator, and AI. Collect up to 100 responses with a free plan, embed your forms on a website, or use them with a link.
Form to Email service, free plan allows unlimited forms, 250 submissions per month, support by Customer assistance team.
Send email using an HTTP POST request. The free tier limits to 50 submissions per form per month.
Easy form endpoints for your HTML forms. Free Forever. No registration is required.
Create fully-responsive and captivating forms in seconds, without knowing how to code, and collect unlimited responses for free!
Forms backend with bot detection and encrypted archive. Forward submissions via UI to email, Slack, or Zapier. Use your own front end. No server code is required. The free plan gives unlimited forms and 100 submissions per month.
Drag and drop online form builder. The free tier lets you create unlimited forms and collect unlimited submissions. Comes with pre-built templates, anti-spam, and 100MB file storage.
Create online forms for free, collect submissions, accept payments, automate workflows, and get documents signed with built-in e-signatures. Free plan includes 5 forms, 100 monthly submissions, 10 e-sign documents, 10 payment submissions, and more.
Feature rich form endpoint. Works great with static sites. The free plan includes up to 1 website with up to 50 monthly submissions.
Embed a PDF editor on your website and turn any PDF into a fillable form. The free plan allows unlimited PDFs with three submissions per PDF.
Powerful and easy form backend for your website, forever free plan allows 50 submissions per month, 250MB file storage, Zapier integration, CSV/JSON export, custom redirect, custom response page, Telegram & Slack bot, single email notifications.
Integrate HTML forms easily without any server-side code for free. After the user submits the form, an email with the form content will be sent to your registered address.
Pull feedback from all sources and send follow-up surveys with one tool. Automatically analyze feedback and extract insights with AI. Free email, website, in-product or mobile surveys, AI survey creator, and 25 monthly responses.
99% of all the features are free. The free tier lets you have: unlimited forms, unlimited submissions, email notifications, form logic, collect payments, file upload, custom thank you page, and many more.
Include beautifully designed forms on websites. The free plan allows only ten fields per form and 100 monthly responses.
Collect feedback using delightful surveys with high response rates. Free plan includes 1 active survey, 25 responses per survey and customizable templates.
Electronic Signature platform with a REST API. You can receive notifications with webhooks. Free plan watermarks signed documents but allow unlimited envelopes + signatures.
Contact forms for Static & JAMStack Websites without writing backend code. The free plan allows Unlimited Forms, Unlimited Domains & 250 Submissions per month.
Quick forms to use on websites. The free plan has a limit of 100 submissions each month.
AI engineering platform that helps AI eng/PMs, evaluate, and observe AI applications and agents with built-in Alyx agent. Free product inlcudes 25k spans and ingestion volume of 1gb per month.
AI-powered audio enhancer SaaS that removes noise and echo while preserving natural vocal clarity. totally Free: unlimited one-click enhancements, no login required, supports MP3/WAV/FLAC
Evals, prompt playground, and data management for Gen AI. Free plan gives upto 1,000 private eval rows/week.
Clinical AI Reference. Students have free access to the professional tool suite, which includes Open Search, Clinical Summary, Med Review, Drug Interactions, ICD-10 Codes, and Stewardship. Additionally, a free trial for the professional suite is available.
Evaluate, test, and ship LLM applications across your dev and production lifecycles. #opensource
Open-source platform to evaluate, observe, and improve LLM and AI agent apps, with tracing, evals, simulations, and guardrails. Free tier includes 50GB storage, 2K eval credits, 100K AI-gateway requests/month, 1M tokens of text agent simulation and 60 min of voice simulation, plus unlimited projects/seats and BYOK LLM-as-judge at $0 platform cost. #opensource
The best LLM monitoring platform. One format to call 200+ LLMs with 2 lines of code. 10,000 free requests every month and $0 for platform features!
Open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications. Free forever plan includes 50k observations per month and all platform features. #opensource
enables developers to trace, evaluate, manage prompts and datasets, and debug issues related to an LLM application’s performance. It creates open telemetry standard traces for any LLM which helps with observability and works with any observability client. Free plan offers 50K traces/month.
A LLMOps platform helping AI teams measure, monitor, and optimize LLM applications for reliability, cost-efficiency, and performance. With a powerful DSPy component, we enable seamless collaboration between engineers and non-technical teams to fine-tune and productionize GenAI products. Free plan includes all platform features, 1k traces/month and 1 workflow DSPy optimizers. #opensource
Open-source (MIT) LLM observability and evaluation platform to trace, monitor, and evaluate AI agents in production. Free Starter plan includes 20K credits/month, 30-day data retention, and unlimited seats. #opensource
AI media gateway providing unified access to leading image generation models via an OpenAI-compatible API. The platform itself is free to use with zero markup and no subscription fee. Inference costs for most models are billed at provider price, but FLUX.1 [schnell] FP8 is offered free forever with unlimited usage for registered users. Built-in failover and provider resilience included.
An LLM evaluation and observability platform with agent simulation and prompt playground. Free tier offers 10k monthly logs, access to prompt playground, simulations and evaluations via BYOK.
MediaWorkbench.ai offers 100,000 free words for Azure OpenAI, DeepSeek, and Google Gemini models, enabling users to access powerful tools for code generation, deep research, and image creation.
Provides various free AI models including DeepSeek R1, V3, Llama, and Moonshot AI. These models excel in natural language processing and are suitable for diverse development needs. Note that while these models are free to use, they are subject to rate limits. Additionally, OpenRouter offers paid models for more advanced requirements, for instance Claude, OpenAI, Grok, Gemini, and Nova.
easy-to-use, free image generation AI with free API available. No signups or API keys required, and several option for integrating into a website or workflow. #opensource
Control panel for Gen AI apps featuring an observability suite & an AI gateway. Send & log up to 10,000 requests for free every month.
AI Powered Writing Assistant. The entire platform is free as long as you bring your own API key.
Converts audio or video to text using AI. Generates summaries and other insights using LLMs. The free tier includes 2 transcriptions per day. You can upload files, record voice notes, or use links from YouTube, Instagram etc. The free version also supports WhatsApp, Telegram and importing files directly from cloud storages - Google Drive, Dropbox, Box and OneDrive. No API key needed. Sign up and ready to use. Also has apps for mobiles, desktops and chromebooks.
Instantly auto-fix outputs from tools like Cursor, Windsurf, and Copilot to meet your company's quality and compliance standards using guardrails built with Policy as Code. The free tier includes 100 tools calls per day to the MCP server and 25 free automated pull request reviews per day via the GitHub App.
Android Studio provides the fastest tools for building apps on every type of Android device. Open Source IDE is free for everyone and the best Android app development. Available for Windows, Mac, Linux, and even ChromeOS!
An Open Source IDE to develop real, Gradle-based Android applications on Android devices.
Development Environment, Tooling Platform and Application Framework.
Collaborative design API with instant API mock and generated documentation (Free for unlimited API blueprints and unlimited users with one admin account and hosted documentation).
BBEdit is a popular and extensible editor for macOS. Free Mode provides a powerful core feature set and an upgrade path to advanced features.
Turn a Git repo into a collection of interactive notebooks. It is a free public service.
A free Java Development Environment designed for beginners, used by millions worldwide. Powered by Oracle & simple GUI to help beginners.
Brackets is an open-source text editor specifically designed for web development. It is lightweight, easy to use, and highly customizable.
Code snippet organizer with labels and support for 100+ programming languages.
Collaborative calculation in the cloud. Browser access to full Ubuntu with built-in collaboration and lots of free software for mathematics, science, data science, preinstalled: Python, LaTeX, Jupyter Notebooks, SageMath, scikitlearn, etc.
Free Fortran & C/C++ IDE. Open Source and runs on Windows,macOS & Linux.
Coding Assistant that lets you search, define, and reuse code snippets directly in your IDE. Free for individual and small organizations.
Code components in isolation, visualize them in stories, test them, and publish them on npm.
Web-based and Kubernetes-Native IDE for Developer Teams with multi-language support. Open Source and community-driven. An online instance hosted by Red Hat is available at workspaces.openshift.com.
AI-enabled pair programmer for Claude, GPT4 Series, Grok, Deepseek, Gemini and all frontier models. Works natively with your CLI and integrates seamlessly with any IDE. Free tier includes basic AI model access with local processing.
Online compiler and editor for more than 60 programming languages with a free plan for REST API code compiling up to 200 credits per day.
Productivity tools, IDEs and deploy tools (aka IntelliJ IDEA, PyCharm, etc). Free license for students, teachers, Open Source and user groups.
Some REST API endpoints that return some fake data in JSON format. The source code is also available if you would like to run the server locally.
Lazarus is a Delphi-compatible cross-platform IDE for Rapid Application Development.
Mockable is a simple configurable service to mock out RESTful API or SOAP web services. This online service allows you to quickly define REST API or SOAP endpoints and have them return JSON or XML data.
Mockaroo lets you generate realistic test data in CSV, JSON, SQL, and Excel formats. You can also create mocks for back-end API.
an HTTP-based mock API simulator that helps simulate APIs for faster parallel development and more comprehensive testing, with a lifetime free tier.
Free online compiler supporting 70+ languages including Java, Python, C++, JavaScript.
A free online ide thats supports 40+ languages and is pre installed with tons of libraries; and also has a debugging option, flags, tutorials, and a QNA page!
Develop Web apps in Browser without needing to set up anything. Free Plan offers one server with 24 24-hour lifetime and 4 hours of running time per day with 2 CPU cores, 2 GB RAM, and 1 GB storage.
a free opensource browser-based coding environment for front-end developers. write html, css and js with a vs code-grade editor (monaco), live preview, scss/typeScript/babel support, and an ai chat assistant for debugging and suggestions. all projects save to local storage. free forever – no account needed.
GPU-accelerated numerical computing IDE in the browser. Write and run MATLAB-syntax .m files with automatic GPU acceleration via WebAssembly and WebGPU. No install, no account, no license fees. Open source runtime with CLI, NPM package, and Jupyter kernel support.
A cloud programming playground well-suited for running code snippets. Supports various programming languages. No registration is required for running code, but it is necessary when saving code on their platform. Also offers free courses for beginners and intermediate-level coders.
Online/Cloud Code IDE to create, edit, & deploy full-stack apps. Support any popular NodeJs-based frontend & backend frameworks. Shortlink to create a new project: https://node.new.
Sublime Text is a popular, versatile, and highly customizable text editor used for coding and text editing tasks.
Code editor redefined and optimized for building and debugging modern web and cloud applications. Developed by Microsoft.
Fully-featured IDE with thousands of extensions, cross-platform app development (Microsoft extensions available for download for iOS and Android), desktop, web and cloud development, multi-language support (C#, C++, JavaScript, Python, PHP and more).
Community-driven, without telemetry/tracking, and freely-licensed binary distribution of Microsoft’s editor VSCode
Quantified self-metrics about your coding activity using text editor plugins, limited plan for free.
Wave is an open-source, cross-platform terminal for seamless workflows. Render anything inline. Save sessions and history. Powered by open web standards. MacOS and Linux.
Compatible with AWS S3 - APIs, interface operations, CLI, and other upload methods, upload and store files from the IPFS and Arweave networks in a safe, convenient, and efficient manner. Registered users can get 6 GB of IPFS storage and 300MB of Arweave storage for free. Any Arweave file uploads smaller than 150 KB are free.
Backblaze B2 cloud storage. Free 10 GB (Amazon S3-like) object storage for unlimited time
S3 Compatible Object Storage Powered by Blockchain. 5 GB free storage for an unlimited duration.
AI-driven IaaS with generous compute, storage; offers $30 (might be limited to $5 on certain accounts) of free monthly credits
Global phone number validation and lookup JSON API. 100 API requests/month
Global phone number verification in a free, fast, reliable JSON API. 1000 requests/month
Everything your team needs to release great projects in one platform. The free plan offers 1 Project with ten users & 100MB of storage.
To-do lists, milestone management, forum-like messaging, file sharing, and time tracking. Up to 3 projects, 20 users, and 1GB of storage space.
Intranet and project management tool. The free plan has 5GB for unlimited users.
Online real-time diagrams: flowchart, UML, network. Free max. 15 users/diagram, 25 sheets
Project management. Free, premium version with cloud storage. Mobile applications and Git integrations are available.
Time tracker and timesheet app that lets you track work hours across projects. Unlimited users, free forever.
Design a professional architecture diagram in minutes with the Cloudcraft visual designer, optimized for AWS with intelligent components that show live data too. Free plan has unlimited private diagrams for single user.
Atlassian's content collaboration tool is used to help teams collaborate and share knowledge efficiently. Free plan for up to 10 users.
Versatile project management platform. Free for up to 3 projects, unlimited users, 1 GB storage.
Online diagrams stored locally in Google Drive, OneDrive, or Dropbox. Free for all features and storage levels
Simple and intuitive sprint retrospective tool. The free plan has three public boards and one survey per board per month.
tasks, discussions, milestones, time tracking, calendar, files and password manager. Free plan with unlimited projects, users, and file storage.
Project Management and issue Tracking toolset for complex projects with self-premises and SaaS options. SaaS free plan offers the first five users free & free for Open Source Projects.
Free description-to-diagrams tool for developers. Create informal UML class, object, or entity-relationship diagrams using your keyword.
GGraphQL Inspector outputs a list of changes between two GraphQL schemas. Every difference is precisely explained and marked as breaking, non-breaking, or dangerous.
Customer support software that offers a live chat on the free forever plan. Simple, lightweight and beautiful. Setup is a simple copy-paste script. Built by a developer.
Real-time sprint retrospective platform with voting, timers, surveys, guest collaboration, and ice-breaker games. The forever-free plan includes one board per month, anonymous surveys, and guest link sharing.
Project management platform. The free plan offers unlimited users, projects & boards with 100 MB of Storage.
interactive diagrams that allow users to see their infrastructure from multiple perspectives and levels of detail. Charts can be expressed in code. The free tier has unlimited private diagrams with up to 3 viewers.
Advanced software development project management tool used in many corporate environments. Free plan for up to 10 users.
A powerful, flexible kanban app that helps you organise work, track progress, and deliver results-all in one place. Free plan up to 1 user for unlimited boards, unlimited lists, unlimited cards.
Board-based project management. Free, premium version with more options
Kanban board-based project management. The free plan has two boards and two users, without attachments or files.
Collaborate through all phases of the product development process and keep track of work across Slack, Discord, Figma, and Github. Unlimited users, unlimited spaces. Free plan up to 250 work items.
Let anyone organize their job search and track interviews, opportunities, and connections. Powerful web app and Chrome extension. Completely free.
Relationship maps with animation, decorations, filters, clustering, spreadsheet imports, etc. The free tier allows unlimited public projects. Graph size unlimited. Free private projects for students. Sandbox mode is available if you prefer not to leave your file publicly online (upload, edit, download, discard).
Leiga is a SaaS product that uses AI to automatically manage your projects, helping your team stay focused and unleash immense potential, ensuring your projects progress as planned. Free for up to 10 users, 20 custom fields, 2GB of storage space, Video Recording with AI limited to 5 mins/video, Automation Runs at 20/user/month.
Issue tracker with a streamlined interface. Free for unlimited members, up to 10MB file upload size, 250 issues (excluding Archive)
An online diagram tool with collaboration features. Free plan with three editable documents, 100 professional templates, and basic collaboration features.
Online task management for teams. Free up to 3 projects and unlimited project members.
Project management software that enables your teams to collaborate, plan, analyze, and manage everyday tasks. The essential plan is free forever with 100 MB storage and five users/teams. Unlimited workspaces, meetings, assignments, timesheets, and issue tracking.
Plane is a simple, extensible, open-source project and product management tool. Free for unlimited members, up to 5MB file upload size, 1000 issues.
Online Planning Poker (consensus-based estimation tool). Free for unlimited users, teams, sessions, rounds, and votes. You don't need to register.
sflow.io is a project management tool built for agile software development, marketing, sales, and customer support, especially for outsourcing and cross-organization collaboration projects. Free plan up to 3 projects and five members.
In-app bug reporting and feedback tool for mobile apps. Free plan, ten bug reports per app/month.
Project management platform for startups and agile developers, free for Open Source
Real-time collaborative task lists and team outlines. The free plan has one workspace with unlimited tasks and projects; 1GB file storage; 1-week project history; and five attendees per video meeting.
Standup, retro, and sprint planning tool for remote teams. Free for up to 15 users.
Project management & Team Chat. Free for five users and two projects. Premium plans are available.
Simple and fun retrospective tool with icebreakers, gifs and emojis. The free plan includes three retros and unlimited members.
Lightweight project management tool for agile teams. The SaaS relies on free contributions; users can always choose to give 0 and there is no features paywall {more details}
productivity tools for Jira and monday.com offering structured checklists, templates, and approvals inside issues/tasks. Free plan available for small teams.
Collaborative and individual task management. The free plan has: 5 active projects, five users in the project, file uploading up to 5MB, three filters, and one week of activity history.
Provides two free productivity tools. Toggl Track for time management and tracking app with a free plan provides seamless time tracking and reporting designed with freelancers in mind. It has unlimited tracking records, projects, clients, tags, reporting, and more. And Toggl Plan for task planning with a free plan for solo developers with unlimited tasks, milestones, and timelines.
Product designing Service with Projects, VCS & Issues. The free plan offers unlimited projects & collaborators and 3GB storage.
Free hosted YouTrack (InCloud) for FOSS projects and private projects (free for three users). Includes time tracking and agile boards
The only project management solution inside GitHub. Free for public repos, OSS, and nonprofit organizations
Project management and collaboration tool. Free for up to 5 members, 5 GB attachments.
Project management with free plan for 4 Projects & 4 users. GitHub integration is available.
LogDog is a remote debugging/logging SDK (iOS and Android) with a web ui. Captures all logs, requests and events in real-time and allows to intercept them. Free for up to 100MB of logs every month
ClickHouse-based SQL-compatible log management. Free up to 1 GB per month, three days retention.
Audit trail management system. Free 1,000 user activity logs per month, 1-month retention, for up to 5 projects.
Log Management service powered by Manage Engine. Free Plan offers 50 GB storage with 15 days Storage Retention and 7 days search.
Centralized log management platform with end-to-end encryption, real-time alerts, and multi-platform SDKs. Free tier includes up to 3.000 logs per day.
Low code project to build admin panels, internal tools, and dashboards. Integrates with 15+ databases and any API.
Budibase is an open-source low-code platform for creating internal apps in minutes. Supports PostgreSQL, MySQL, MSSQL, MongoDB, Rest API, Docker, K8s
A low-code platform designed for building business process applications with customizable mobile and web apps. Offers a drag-and-drop interface, features like Offline Support, real-time location tracking and integration with various third-party services
write and run scripts online utilizing free built-in APIs like OpenAI, Anthropic, Firecrawl and others. Great for building AI agents / internal tooling and sharing with team. Free-tier includes full access to APIs, AI coding assistant and 10,000 execution credits / month.
Powerful no-code cloud platform with a focus on industrial production management. Free for one user with 1 million workflow activities a month (also available in german).
Rapid Application Development for Enterprises, unlimited accessible sandbox environments supporting total users, 0.5 GB storage and 1 GB RAM per app. Also, Studio and Studio Pro IDEs are allowed in the free tier.
Enterprise web development PaaS for on-premise or cloud, free "personal environment" offering allows for unlimited code and up to 1 GB database
Low-code platform for building internal applications. Retool is highly hackable. If you can write it with JavaScript and an API, you can make it in Retool. The free tier allows up to five users per month, unlimited apps and API connections.
Extensible low-code framework for building business applications. Connect to databases, cloud storages, GraphQL, API endpoints, Airtable, etc., and build apps using drag-and-drop application builder.
Low-code platform that enables faster building of custom web applications. Supports building UI using drag and drop with a high level of customization through JavaScript, Python, and SQL. Available as both cloud and self-hosted solutions. Free for up to 5 users.
Free DNS for an unlimited number of domains, DDoS Protection, CDN along with free SSL, Firewall rules and page rules, WAF, Bot Mitigation, Free Unmetered Rate Limiting - 1 rule per domain, Analytics, Email forwarding
10 free parallel jobs with unlimited minutes for open source for Linux, macOS, and Windows
Free remote desktop app with practically no limit on the number of devices, owned by Google, so needs a Google account.
Team chat software with 100 GB storage, unlimited users, 100 users per channel & SSO.
You can expose locally running HTTP port over a tunnel to a random subdomain on trycloudflare.com use Quick Tunnels, No account required. More features (TCP tunnel, Load balancing, VPN) in Zero Trust Free Plan.
AI-based search and indexation service, free for 10,000 documents
AI/ML APIs (Computer Vision, Translator, Face detection, Bots, etc) with free tier including limited transactions
Team Collaboration free for 25 users with three groups, three custom apps, 3 Boards, 3 Manuals, and 10 Integrations along with channels, events & forums.
Customer Support management with three agents, private knowledge base, and email tickets. Integrates with Assist for one remote technician & 5 unattended computers.
Free for 5 users with 1 GB upload limit & 5GB storage. Zoho Office Suite (Writer, Sheets & Show) comes bundled.
Get free access to Gemini 1.5 Pro and Gemini 1.5 Flash models. The free tier offers 15 requests per minute, 1,500 requests per day, and 1 million tokens per minute.
Jupyter Notebooks with 4 CPU cores and 30 GB RAM computational environment without any weekly usage limits. With Phone number verification, 1 Nvidia Tesla P100 GPU or 2x Nvidia Tesla T4 GPU can be added with a usage limit of 30 GPU hours/week for free. With Identity verification - 1 TPU v3-8 with 96 CPU cores and 330 GB RAM is available with a usage limit of 20 hours/week for free. Check Technical Specifications for more details.
Develop and deploy your web apps on Cloudflare's fast, secure global network. Five hundred monthly builds, 100 custom domains, Integrated SSL, unlimited accessible seats, unlimited preview deployments, and full-stack capability via Cloudflare Workers integration.
Free for 3 users, 2 projects & 10 MB attachment limit. The same plan applies to Bugtracker.
10 GB per month, 1 million Class A operations per month, 10 million Class B operations per month
R750 hours per month of db.t2.micro, db.t3.micro, or db.t4g.micro, 20GB of General Purpose (SSD) storage, 20GB of storage backups(12 mo)
Yet another Meeting software for training for a remote session of up to 5 attendees.
Build, deploy, and host static apps and serverless functions with free SSL, Authentication/Authorization, and custom domains
Recurring Billing management free for 20 customers/subscriptions & 1 user with all the payment hosting done by Zoho. The last 40 subscription metrics are stored
Free for three users with 50 MB storage, unlimited pages, zip backups, RSS & Atom feed, access controls & customizable CSS.
Deploy serverless code for free on Cloudflare's global network-100k daily requests.
100k read requests per day, 1000 write requests per day, 1000 delete requests per day, 1000 list requests per day, 1 GB stored data
Up to 50 Users, 24 hours of activity logging, three network locations
Started as an e-mail provider but now provides a suite of services, some of which have free plans. List of services having free plans :
Unified and actionable product analytics to monitor performance, analyze user behavior and collect feedback for mobile, web, and desktop apps with generous Free Forever plan.
Zoho Assist's forever free plan includes one concurrent remote support license and Access to 5 unattended computer licenses for unlimited duration available for both professional and personnel use.
8base is a full-stack low-code development platform built for JavaScript developers built on top of MySQL and GraphQL and serverless backend-as-a-service. It allows you to start building web applications quickly using a UI app builder and scale quickly, The Free tier includes rows: 2,500, Storage: 500, Serverless computing: 1Gb/h, and client app users: 5.
Looks like a spreadsheet, but it's a relational database unlimited bases, 1,200 rows/base, and 1,000 API requests/month
Aiven offers free PostgreSQL, MySQL and Valkey (Redis compatible) plans on its open-source data platform. Single node, 1 CPU, 1GB RAM, and for PostgreSQL and MySQL, 1GB storage. Easy migration to more extensive plans or across clouds.
Free tier offers 50 million RUs and 10 GiB of storage (same as 15$ worth) free per month. (What's the Request Units)
Easy to use JavaScript serverless API/backend and NoSQL database service with functions, Mongdb-ish queries, key/value lookups, a job system, realtime messages, worker queues, a powerful CLI and a web-based data manager. Free plan has 5GB storage and 60/API calls per minute. 2 developers included. No credit-card required.
deploy a forever free tier fully managed database cluster with 1 node and 8GB storage, built for developers to create the next generation of applications across IoT to AI
Distributed Open Source SQL database for real-time analytics. Free Tier CRFREE: One-node with 2 CPUs, 2 GiB of memory, 8 GiB of storage. One cluster per organization, no payment method needed.
filess.io is a platform where you can create two databases with up to 10 MB per database of the following DBMS for free: MySQL, MariaDB, MongoDB, and PostgreSQL.
Timeseries database, free up to 3MB/5 minutes writes, 30MB/5 minutes reads and 10,000 cardinalities series
Managed Memcache service. Free for up to 25MB, 1 Proxy Server, and basic analytics
Managed native Graph DBMS / analytics platform with a Cypher query language and a REST API. Limits on graph size (200k nodes, 400k relationships).
Managed PostgreSQL, 0.5 GB of storage per project, 100 Projects ,10 branches per project, Unlimited Databases, always-available primary branch ( Auto suspend after 5 minutes), 20 hours of Active time per month (total) for non-primary branch compute.
A Postgres platform for B2B apps. Unlimited databases, Always available with no shutdown, 1GB of storage (total), 50 million query tokens, autoscaling, unlimited vector embeddings
Super fast hosted Postgres built on unikernels and running on bare metal, 500MB total storage, 5 databases, integrated with Prisma ORM.
Vector Database for embedding data, single node cluster with 0.5 vCPU, 1GB RAM, and 4GB disk.
a fast and straightforward NoSQL cloud database service. With restdb.io you get schema, relations, automatic REST API (with MongoDB-like queries), and an efficient multi-user admin UI for working with data. The free plan allows 3 users, 2500 records, and 1 API request per second.
Managed PostgreSQL with pgvector optimized for AI workloads. The free tier includes 2GB storage, daily snapshots, 14-day point-in-time recovery, and a built-in SQL editor that converts search queries to vector embeddings.
Flexible, Spreadsheet-like Database built by the Seafile team. unlimited tables, 2,000 lines, 1-month versioning, up to 25 team members.
Cloud Data Platform offers a free tier and all plans are completely free while in beta
One tool that combines spreadsheets' flexibility, databases' power, and built-in integrations with your favorite business apps. The free plan includes unlimited users, ten stacks, and a 2GB attachment per stack.
A serverless managed ClickHouse with connection-less data ingest over HTTP and lets you publish SQL queries as managed HTTP APIs. There is no time limit on free-tier, 10GB storage + 1000 API requests per day.
Turso is SQLite Developer Experience in an Edge Database. Turso provides a Free Forever starter plan, 9 GB of total storage, Up to 500 databases, Up to 3 locations, 1 billion row reads per month, and Local development support with SQLite.