FlightGear Flight Simulator: free open-source multiplatform flight sim
The programmer's solid 3D CAD modeller
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.
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 java 3D project for live rendering of a MIDI piano performance
Open source 3D modeling software
domes, vaults and eggs - program to create 3D models and plans