Hosting git repositories -- Gitolite allows you to setup git hosting on a central server, with very fine-grained access control and many (many!) more powerful features.

💻 🎓 Git-it is a (Mac, Win, Linux) Desktop App for Learning Git and GitHub

a tool for backing up your data using rsync (if you want to get help, use https://lists.sourceforge.net/lists/listinfo/rsnapshot-discuss)

Simple script to analyse your PostgreSQL database configuration, and give tuning advice

**ack 2 is no longer being maintained. ack 3 is the latest version.**

sdif - side-by-side diff viewer for ANSI terminal