KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Cross-Platform C++ 2D/3D game engine
An iOS & tvOS Frontend for Multiple Emulators
A modern Wine wrapper for macOS built with SwiftUI
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
A tool for recompiling Xbox 360 games to native executables
The source code to VVVVVV
Open source HTML5 game framework that offers WebGL and Canvas
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
The Tiny JavaScript Game Engine That Can!
Home theater software and entertainment hub for digital media
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
An open source reimplementation of the Among Us Server
An OpenGL RTS game engine written in C
High performance UI layout library in C
A completely free, open-source, 2D game engine
Kotlin extensions for the libGDX game framework