Open Source Geospatial Foundation
MapGuide Open Source is a platform for developing web mapping applications.
Region Map Generator is a tool to make region map with self-definition color.
Python Software Foundation
Bots is a fully-functional software tool for EDI (Electronic Data Interchange).
OpenCV is a library of programming functions for real time computer vision.
Remere's Map Editor is a map editor coded in C++ for the OpenTibia Project.
A simple utility to generate NHibernate mapping files.
Jackie Ng, Kenneth Skovhede
MapGuide Maestro is an open source map authoring tool for MapGuide.
TEdit is a stand alone, open source map editor for Terraria.
Ametys is a java open source web content management system.
D2D Map Editor
D2D Map Editor is an open source project written in C#.
Aciqra is an open source virtual sky map and planetarium.
qMetro is an open source vector metro (subway) map for calculating routes.
PuTTYgen is an open source RSA and DSA key generation utility.
Cheetah is an open source template engine and code generation tool.
Red5 is an Open Source Flash Server written in Java.
JSmooth is a neat, open source Java Executable Wrapper.