Efficient glTF 3D import / export package for Unity
Netcode that provides networking capabilities to GameObject workflows
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Cocos simplifies game creation and distribution with Cocos Creator
A dead simple 2D game engine for Go
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Multi-platform 2D and 3D game engine
Kotlin Multiplatform bindings to Skia
One framework for creating powerful cross-platform games
A multi-platform support c++11 library with focus on asio
2D GPU-accelerated framework for ActionScript developers
Desktop/Android/HTML5/iOS Java game development framework
Open source library for creative expression on the web, desktop, etc.
Cross-platform game engine in Rust
Orx: Data-Driven Game Engine
Everything you need to build and deploy scalable realtime 3D apps
Accelerate cross-platform MR app development in Unity
Sdk library for creating 2048 game in c#.
ZED OS the clone of Windows XP
2D Game Engine
Cross-platform 2D and 3D game engine
Reactive extensions for Unity
The Atomic Game Engine is a multi-platform 2D and 3D engine
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Modern AS3 Game Engine