KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Cross-Platform C++ 2D/3D game engine
Desktop/Android/HTML5/iOS Java game development framework
Cross-platform game engine in Rust
Java/JavaFX/Kotlin Game Library (Engine)
Satisfying monster shooter
Open-source engine for Heroes of Might and Magic III
Open source HTML5 game framework that offers WebGL and Canvas
A tool for recompiling Xbox 360 games to native executables
One framework for creating powerful cross-platform games
UCI chess engine
The game engine for everyone
Solar2D Game Engine main repository (ex Corona SDK)
Netcode that provides networking capabilities to GameObject workflows
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Home theater software and entertainment hub for digital media
An open source reimplementation of the Among Us Server
An OpenGL RTS game engine written in C
The Tiny JavaScript Game Engine That Can!
A completely free, open-source, 2D game engine
Kotlin extensions for the libGDX game framework
High performance UI layout library in C
Accuracy-focused XNA4 reimplementation for open platforms
Gideros Release version
Action-adventure game originally released in 2013