Let's have a short look at some latest versions or new entries in the open source software universe for MacOS X.

• Smultron 2.2
• Democracy Player 0.9.1
• Perian 0.5
• Hallon 1.0.4

• Smultron 2.2 - a Cocoa text editor with syntax coloring. For programers or web designers who know the basics.
• Democracy Player 0.9.1 - look at it as the iTunes version for videos that are store in the internet. It supports RSS and many formats and can load new content at startup. Offers broadcaster too.
• Perian 0.5 - is part of the Democracy Player. As Perian it is a QuickTime plugin that enables the standard version (not PRO) to handle some more formats, like AVI. It depends on MacOS 10.4.7 and higher.
• Hallon 1.0.4 - offers a system wide bookmark pool. You can add bookmarks in every application and use the same bookmarks in every browser. Runs with MacOS X 10.3.9 and higher.

Those and many more are listed at FreeSMUG.