SSLisp 0.2 (by Stephen Sebeny)
SSLisp is a simplistic command line interface (pure) LISP interpreter.

SSLisp 0.2 (by Stephen Sebeny)
SSLisp is a simplistic command line interface (pure) LISP interpreter.

PyObjC 1.3.7 (by the PyObjC team)
PyObjC is a bridge between Python and Objective-C.

Xirc 0.9.9 (by CGSoftware)
Xirc is an internet relay chat (IRC) application only for MacOSX written in pure Objective-C using Cocoa frameworks.

CocoaMines for OSX 1.2.6 (by Clark S. Cox, III)
CocoaMines is a Minesweeper clone for MacOSX, written entirely in Objective C, using Apple's Cocoa Frameworks.

NMapFE 0.81 (by Matthew Rothenberg)
NmapFE is a Cocoa frontend for the popular Nmap port-scanning software written in Objective-C.

Weeder Reader 1.0 (by James Sentman)
I've been reading temperatures into XTension for quite a while now but the software has had a distinct hackyness to it involving many different pieces to get it to work.

netclasses 1.05 (by Andrew Ruder)
netclasses is an asynchronous networking library that works on OS X natively, and any of the multitude of platforms supported by GNUstep.

KanaQuiz for OSX 1.1 (by Clark S. Cox, III)
KanaQuiz is a simple program to help in learning kana for Mac OS X, written entirely in Objective C, using Apple's Cocoa Frameworks.

Zotz 0.4 (by mattneub)
Zotz is a simple but addictive time-wasting card game involving perception.

Pantomime 1.2pre2 (by collaboration-world)
Pantomime provides a set of Objective-C classes that model a mail system.

BlitzMax 1.0 (by Blitz Research)
BlitzMax is the new, next generation game programming language from Blitz Research.

py2app 0.2 (by undefined.org)
A distutils extension which converts python scripts into executable Mac OS X applications, able to run without requiring an existing Python installation.

RBSplitView 1.1.3 (by Rainer Brockerhoff)
RBSplitView is a replacement for Cocoa's NSSplitView.

Apple Xcode 2.4.1 (by Apple)
Xcode features dead-code stripping, remote debugging, speed improvements to the gnu C++ compiler, or gcc, code completion for Java and AppleScript, native build system support for AppleScript, an enhanced debugger with memory and globals browsers and the ability to display file static variables, fas

Axiomatic Multi-Platform C 1.5.2 (by Axiomatic Solutions Sdn Bhd)
AMPC offers you a C Integrated Development Environment (IDE) that generates Java Bytecode.