A free and open source multiplatform 3D parametric modeler
Desktop/Android/HTML5/iOS Java game development framework
A standalone, large scale, open project for 2D/3D image processing
The programmer's solid 3D CAD modeller
Cross platform (lin/win/mac) geographical information system (GIS)
Cross-Platform C++ 2D/3D game engine
Console-based GLSL Sandbox for 2D/3D shaders shaders
Link branch FreeCAD
A layer built on top of the Insight Toolkit (ITK)
Real-time physically based rendering engine for Android, iOS, and more
High-speed, 3D-friendly, TightVNC-compatible remote desktop software
a parametric 3D CAD modeler
2D & 3D TeX-Aware Vector Graphics Language
Numerical and Symbolic Math Tool
C++ libraries for manipulations in non-Euclidean geometry
Simple and flexible programming language for applications development
A free 3D game engine to create games and realtimes scenes for Windows
Crystallographic software for displaying voxel maps - electron density
Scanning Probe Microscopy Controller and Data Visualization Software
Radiation Spectrum Method : a modal BPM (Beam Propagation Method)
Finite Element Program 3D Qt