An Open Source DOS emulator to run old DOS games

A premier mind-mapping software written in Java

Powerful desktop publishing software

An award-winning drawing program for children ages 3 to 12

Play your favorite Windows video games on Mac OS X

An extremely powerful and configurable BitTorrent client

Tool Command Language (Tcl) is an interpreted language and very portable interpreter for that language. Tcl is embeddable and extensible, and has been widely used since its creation in 1988 by John Ousterhout. Bug reports to http://core.tcl.tk/tcl/ Follow code development at http://core.tcl.tk/tcl/

Audio converter and CD ripper for various formats

An intranet chat application that does not require a server.

A Java SQL client for any JDBC compliant database

The OpenGL Extension Wrangler Library is a simple tool that helps C/C++ developers initialize extensions and write portable applications. GLEW currently supports a variety of operating systems, including Windows, Linux, Darwin, Irix, and Solaris.

A simple paint program for Mac OS X

Double Commander is a cross platform open source file manager with two panels side by side. It is inspired by Total Commander and features some new ideas.

Simple but advanced disc burning for Mac OS X

Panorama photo stitcher

A wrapper for the cross-platform, GUI API toolkit wxWidgets

A PDF Reader and Note-taker for OS X

Real-time 3D visualization of space

Graphically shows disk usage for Macs

Portable OS X FOSS applications

Ham Radio Digital Modem Application

Versatile Commodore Emulator

Bibliography manager for Mac OS X

Psi IM — Qt-based XMPP/Jabber client

RPG character generator for RPG d20 systems.