Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
3D and 2D game engine written in Rust
Cocos simplifies game creation and distribution with Cocos Creator
Free game engine for development of desktop, mobile, and web games
3D Game engine with editor
Cross-platform 2D and 3D game engine with modular architecture
Fast and lightweight JavaScript game engine built on WebGL and glTF
Stride (formerly Xenko), a free and open-source cross-platform C# game
World Class Leader Board Editor.
A planetarium software that shows a 3D simulation of the night sky
LDraw™ editor for LEGO® style digital building instructions.
A free 3d game for PC that does not limit the player. Fight,Build,Gain
3D puzzle game based on Kula World and Cubosphere
MIT Licensed Open Source version of Torque3D from GarageGames
Advanced map editor
Cross-platform 3D scene editor based on three.js, golang and mongodb
OpenGL port of the classic 6dof 3D shooter Descent
Modern 3D engine and IDE written using C# and C++.
Web powered cross-platform 3D, WebXR game engine
A fantasy RPG.
Virtual paper folding program