Skim
skim-app.sourceforge.net ↗PDF reader and note-taker for OS X. [![Open-Source Software][OSS Icon]](https://sourceforge.net/projects/skim-app/) ![Freeware][Freeware Icon]
PDF reader and note-taker for OS X. [![Open-Source Software][OSS Icon]](https://sourceforge.net/projects/skim-app/) ![Freeware][Freeware Icon]
This entry links to an external website rather than a GitHub repository, so there's no README to display here.