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.
LeechCraft is a modular Internet client. It allows you to browse the Web; read RSS/Atom feeds; download files via BitTorrent, FTP, and HTTP; automatically download, play, or stream podcasts (and other media files); and much more.