Open game and rendering engine packed into a JavaScript framework
Java/JavaFX/Kotlin Game Library (Engine)
The open-asset-importer-library repository
Vivid3D is a C++ IDE/3D engine, with python scripting.
Open Source Solid Modeling CAD
Java3d scenegraph editor
Cross Platform Professional Procedural Terrain Generation & Texturing
Growth-grammar related Interactive Modelling Platform
CSG for jMonkey
A world editor for HGE game engine written in python and uses OpenGL.
3D world editor for game development
Pear3DEngine is a modern and modular 3D development framework
3D modeling for everybody