Slowly but steadily bringing apt-get style updating to OS X, for Sparkle-using applications at least; unfortunately clad in a naff corner shop metaphor GUI.

"TwitterPost is a simple, stand-alone interface to Twitter.com"

"Beta in 4 days 7 hours 2 minutes!"

Another Series 60 Flickr uploader that adds metadata to your pics.

"This is an unoffical branch of the 2.1 GeekTool development to fix some problems, to ease the long waiting for a 2.2 (or 3.0) release."