Animated sprite editor & pixel art tool
it's a video player, also works for music and pictures
Syntax tree editor for rapid annotation of existing text
3D Scene Builder
RDF Rule Engine for SASSY
SC is a C based meta/programming language/environment
turn-based wargame/simulator
Cross-platform IDE for developing embedded solutions and desktops
Play SoundTracker media on your computer.
Multitrack audio editor
Open RealStrategyGameLibrary (Engine)
Free open-source non-linear video editor
Open-Source Shoemaking
An enhanced version of the original VirtualDub
A lightweight cross platform programmers' editor
Fractals generator with powerful functionality.
Lego Island 2 Game Editor
IRB is a game creation toolkit
Electronic design and programming tools suite like Eagle, MpLab