turn based

NDNoise is a Java-based freeware that enables to remove noise in digital images.

Chat client based on irssi.

SBook5 is an extremely fast, AI-based personal information manager.

A LAME-based mp3 converter/CD ripper for OS X.

Libavcodec based QuickTime Media Decompressor component

Multimedia player based on xine.

0xED is a native OS X hex editor based on the Cocoa framework.

Personal finance software based on the envelope method of budgeting.

Fully scriptable free AppleScript based working environment