A very small, cross-platform implementation of a subset of the NeXTStep/Cocoa Foundation libraries for objective-C.
trou is an outstanding replacement tool for pbcopy. Basically, it copies everything from stdin to the pasteboard. And it does it well.
uDevGames 2008 Games and Source Code.
uWarranty is an open-source iPhone application that downloads and tracks Apple products (Macs, iPods, iPhones, etc.) and their warranty status. Since uWarranty uses private Apple APIs to access warranty data, it isn't allowed on the App Store.
An iPhone / iPod Touch app for reading xkcd.
Synchronizes the Mac OS X Address Book to and from an XML-based format
Zephyr Notification Service client for Mac OS X
A small Objective-C library which provides a SAX-like object-oriented interface to the Expat XML parser library.