Cross-platform Open-source 2D CAD
Geographic library
A portable, multi-platform, command-line driven graphing utility
An advanced network simulator to design and configure virtual networks
fast C++ library for linear algebra & scientific computing
An interactive viewer for three-dimensional chemical structures.
General Mission Analysis Tool
C++ library for half precision floating point arithmetics.
An object relational-mapping (ORM) library for Java
Robocode is a programming tank game for Java
Open source Health IT for the planet
Model Railway CAD program
SUMO is a microscopic, multi-modal traffic simulation.
Toolkit for working with and mapping geospatial data
A library for scientific data visualization