envstore allows you to save environment variables into a separate store, list them, and reload them into the shell again.
PySh is a mix between bash and Python. It allows you to execute both kinds of commands mixed together.
ConsoleTube is a YouTube client for console lovers/flash haters. It takes a search term and uses lynx, sed, and grep hackery to automatically play the search results through VLC. Custom playlists are supported.
monkeysay displays a monkey head that gives you random quotes. It combines the concepts of cowsay and fortune.
icarusay is a Python script printing Icarus' messages as they appeared in Deus Ex.
A Java XML editor.
A network monitoring and management system.