Cocos simplifies game creation and distribution with Cocos Creator
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Multi-platform 2D and 3D game engine
Free, cross-platform 2D game engine powered by Haxe and OpenFL
A dead simple 2D game engine for Go
2D GPU-accelerated framework for ActionScript developers
Kotlin Multiplatform bindings to Skia
Open QR Code is an open-source, cross-platform app
Real-time physically based rendering engine for Android, iOS, and more
Cross-platform game engine in Rust
Beautiful, high-performance Graphs and Charts for React Native
Orx: Data-Driven Game Engine
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Everything you need to build and deploy scalable realtime 3D apps
2D Game Engine
ZED OS the clone of Windows XP
Cross-platform 2D and 3D game engine
The Atomic Game Engine is a multi-platform 2D and 3D engine
Modern AS3 Game Engine
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Cocos2d for iOS and OS X, built using Objective-C
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Egret is a brand new open mobile game and application engine
2D physics engine for games
Cross-platform 2D game engine