Open Source Geospatial Foundation
MapGuide Open Source is a platform for developing web mapping applications.
Synstral Business Software Handelsbolag
Simply Orders - Advanced Order & Invoice Management Database for MS Access.
atdl4j is an open source and not-for-profit JavaTM implementation of FIXatdlSM.
OpenCV is a library of programming functions for real time computer vision.
Debugger and open source C/C++ compiler for MSP430 microcontrollers.
Open Dungeons Community
OpenDungeons is an open source, real time strategy game.
Olaf van der Spek
XBT Tracker is an open-source BitTorrent tracker written in C++.
BitStream Sp. zo.o.
BugTracker.NET is a free, open-source, web-based bug tracker.
Aria Maestosa is an open-source (GPL) midi tracker/editor.
Serposcope is an open-source rank tracker to monitor website ranking.
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.
Open R-Community Tools is an open source company and mission builder.
Syscomp Electronic Design
The software is open-source and source code is included.
Open Metronome is a free, open source metronome for Windows and Windows Mobile.
The software can be used with any open source or closed source software.