Kostenlose Open Source Programme für Mac OS X

Seashore is an open source image editor for Cocoa. It features gradients, textures and anti-aliasing for both text and brush strokes. It supports multiple layers and alpha channel editing. It is based around the GIMP's technology and uses the same native

aMSN is a free open source MSN Messenger clone

Skim is a PDF reader and note-taker for OS X.

the free and open application security community

Free Mac Software - Das Portal für freie Mac OS X Software

Open source software testing tools

FreeMat is a free environment for rapid engineering and scientific prototyping and data processing. It is similar to commercial systems such as MATLAB from Mathworks, and IDL from Research Systems, but is Open Source

Open Source Document Management Systems