3D game engine/framework in C, with Luajit and Python bindings now
A free 3D game engine to create games and realtimes scenes for Windows
Pycraft is an open-source, OpenGL based game made in Python
Vivid3D is an open-source 3D engine with powerful 2D UI.
3D Scene Builder
C++ lightweight cross-platform game engine
Data-oriented and data-driven game engine written in Rust
A C++ 3D game engine.
3D Game engine
A 3D, fully concurrent game engine
Zen3D is a 3D engine and editor for creating games