Godot is a powerful cross-platform game engine
The flexible game engine
Solar2D Game Engine main repository (ex Corona SDK)
An OpenGL RTS game engine written in C
Fast and lightweight JavaScript game engine built on WebGL and glTF
Animation engine for explanatory math videos
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Cross-platform 2D and 3D game engine with modular architecture
A game engine powered by python and panda3d
Multi-platform 2D and 3D game engine
Cocos simplifies game creation and distribution with Cocos Creator
Cross-Platform C++ 2D/3D game engine
A game engine with an emphasis on real-time cutting-edge solutions
Improve your Baduk skills by training with KataGo
Feature engineering package with sklearn like functionality
3D Engine with Blender Integration
Zig game engine & graphics toolkit
Powerful, mature open-source cross-platform game engine for Python
The Ren'Py Visual Novel Engine
Xash3D FWGS engine
A library for accelerating Transformer models on NVIDIA GPUs
OpenDILab Decision AI Engine
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Open source clone of the Age of Empires II engine
GemRB is a portable open-source implementation of the Infinity Engine