A collection of open source and public domain software for Java, XML, and Cocoa, primarily. Some projects: ThreadWorker, Xmlizable, Base64, Tabu Search.
A resource editor for the Mac OS.
The project comprises numerous binaries, supporting 68k, Classic PPC, Carbon/Cocoa PPC and Cocoa on Intel. It supports dynamically loaded CFM or MachO plug-ins to edit resources, and is easily extendible by third parties.
Wrapping of libcurl into a Cocoa class, to give Cocoa programs a richer set of APIs for net access than NSURLHandle provides.
MacOS X / Cocoa SoulSeek client. SoulSeek is a peer to peer file sharing network, mostly for MP3s. Could possibly be ported to GNUstep.
Vitality is a project that aims to provide a home to a few open source Mac games that are currently without one.