Open Source Geospatial Foundation
MapGuide Open Source is a platform for developing web mapping applications.
OpenCV is a library of programming functions for real time computer vision.
atdl4j is an open source and not-for-profit JavaTM implementation of FIXatdlSM.
Debugger and open source C/C++ compiler for MSP430 microcontrollers.
Open Dungeons Community
OpenDungeons is an open source, real time strategy game.
Discovery Open-Source Development Group
Allows you to create, edit and synchronize subtitles for video files.
Red5 is an Open Source Flash Server written in Java.
AsWing is an Open Source Flash ActionScript GUI framework.
Open-source Flash/Flex remoting gateway that connects RIAs using Adobe software.
Thomas Fischer, Pierre-Michel-Ricordel
Rigs of Rods is an open-source vehicle simulator based on soft-body physics.
Butterfly Effect is an open source game that uses realistic physics simulation.
De MonsterDebugger is an open source debugger for Adobe Flash, Flex and AIR.
A open-source application for creating usb flash disks' backup copies.
Lightspark is an open source LGPLv3 licensed Flash player and browser plugin.
The Imprudence Project
An open source metaverse viewer project based on the Second Life Viewer source.
Open Menu+ Portable is an open source portable application launcher.