Xj3D is an open-source Java codebase for the X3D Graphics standard.
X3D is the open-standard format for 3D graphics scenes on the Web.
Create and edit LDraw™ parts quick and easy.
3D modeler, 3D game maker, 3D demo maker
3D slider puzzles for kids; helps teach solid geometry
Subdivision Surface Object Creator Open Source Project
C# graphics library used for 3D modeling, built with OpenGL/OpenTK
OpenGL shell and horn generator
Console-based GLSL Sandbox for 2D/3D shaders shaders
3D PBR Texture Painting Software
Java3d scenegraph editor
The programmer's solid 3D CAD modeller
HARFANG 3D source code public repository
Dust3D is a cross-platform open-source 3D modeling software