Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
3D Engine with Blender Integration
Cross-Platform C++ 2D/3D game engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
A game engine powered by python and panda3d
Cocos simplifies game creation and distribution with Cocos Creator
Dust3D is a cross-platform open-source 3D modeling software
A Minecraft mapping tool that creates 3D models of your Minecraft
Blockbench - A low poly 3D model editor
LayaAir is an open-source 2D/3D engine
Map Pixel Art Generator for Minecraft
Flax Engine, multi-platform 3D game engine
A J2ME emulator for Android
Cross-platform 2D and 3D game engine with modular architecture
Free game engine for development of desktop, mobile, and web games
3D game engine with lua scripting
Open game and rendering engine packed into a JavaScript framework
Voxel game engine in C++ with OpenGL
3D game engine/framework in C, with Luajit and Python bindings now
A modular Common Lisp game engine
3D and 2D game engine written in Rust
Simple and light-weight 3D game engine
3D Procedural Game Engine Using OpenGL
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
A Java math library for OpenGL rendering calculations