FlightGear Flight Simulator: free open-source multiplatform flight sim
Kokua is a V3 based open source metaverse viewer project.
3D Engine c++
Open Source Solid Modeling CAD
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
Interactive 3D Layout Viewer for GDSII
LDraw™ editor for LEGO® style digital building instructions.
Doing 3D with Tcl
Design your own pottery for 3D printing in full color
Cross-platform 2D and 3D game engine
Tao3D is a programming language for real-time interactive 3D
Famous card game with 3D graphics and artificial intelligence
Common stuff for Imprudence and Kokua open source metaverse viewers.