A universal instant messaging (IM) program
An advanced network simulator to design and configure virtual networks
A powerful, cross platform, SQL database system
A software construction tool
Simulate chemical processes using advanced thermodynamic models
An Ubuntu remix for both new and experienced Linux sophisticates
Polygon and line clipping and offsetting library (C++, C#, Delphi)
Scanning probe microscopy data visualisation and analysis
General Mission Analysis Tool
A cross-platform GUI library
a parametric 3D CAD modeler
Library to control radio transceivers and receivers
SUMO is a microscopic, multi-modal traffic simulation.
2D & 3D TeX-Aware Vector Graphics Language
A free and powerful office suite
Open source, cross-platform compositing software
Kokua is a V3 based open source metaverse viewer project.
Realism Invictus mod for Civilization IV
Cross-platform DICOM implementation
https://youtu.be/7pQHcFfrpDI