FlightGear Flight Simulator: free open-source multiplatform flight sim
The programmer's solid 3D CAD modeller
3D Joint Inversion Framework
Sort-of parametric modelling CAD
Arma Design Studio - CAD/CAM Software
Optical Simulation software
Growth-grammar related Interactive Modelling Platform
shape tools for geometric modelling
3D Procedural Modelling and Procedural Texturing Tool in OpenGL/C++
A language for making art using mathematics
Functy is a 3D graph drawing package that generates immediate results.
Forward and inverse modelling in optical tomography
3D Architecture modelling and physics simulation system
Rendering of 2D and 3D Celtic Knots
Experimental surface editor prototype
Linux Mint based A/V-System
A C++ library for modelling any 2D or 3D particle systems.
Simulation of historical and contemporary launch vehicles