aMSN is an open source MSN Messenger clone for Mac OS X; with extensions such as plugins, skins, as well as chat logs, timestamping, event alarms, and more.
TomatoTorrent is built on the global standard for delivering high-quality files over the internet; provides a better digital entertainment experience for Mac OS X users.
Azureus is openly developed to implement the BitTorrent protocol; comes bundled with many features, such as multiple torrent downloads; for Mac OS X users.
RSS Owl is an HTML to RSS converter, editor and publisher; submit RSS feeds to the RSS search engines, and create/edit/view/publish RSS feeds, and more.
AbiWord is an openly developed word processing program (similar to MS Word) that is suitable for a wide variety of word processing tasks; available for Linux, Mac OS X, and Windows users.
