Edo is a cross platform utilty application. It aims to replace a lot of small tools you have to use daily, like a network enabled notepad, RSS reader, audio player, IM client, and others.
Swift allows you to connect and chat with all your contacts on the fast-growing XMPP network, which includes Jabber.org, GMX, Google Talk, Google+, Facebook, and more.
xtalk is a multi-user IM/chat room system. It can be used to chat with other people within a colourful yet minimalistic command-oriented client.
A control protocol for various astronomical instruments (telescopes, CCDs, etc).
A command line tool to output your database schema and data in diff-able form.