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

A PDF Reader and Note-taker for OS X

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

A simple paint program for Mac OS X

Play your favorite Windows video games on Mac OS X

An intranet chat application that does not require a server.

A Java SQL client for any JDBC compliant database

Simple but advanced disc burning for Mac OS X

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.

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.

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/

An extremely powerful and configurable BitTorrent client

Panorama photo stitcher

Bibliography manager for Mac OS X

Ham Radio Digital Modem Application

Audio converter and CD ripper for various formats

Real-time 3D visualization of space

The best free media player for video and DVDs

CoRD is a Mac OS X remote desktop client for Windows servers running Microsoft Remote Desktop or Terminal Services.

Portable OS X FOSS applications

Psi aims to be a feature-rich Jabber/XMPP client for novice and experienced Jabber users. There are builds available for Windows, Linux, and MacOS X.

Versatile Commodore Emulator