Open QR Code is an open-source, cross-platform app
Barcode scanning library for Java, Android
Desktop/Android/HTML5/iOS Java game development framework
A standalone, large scale, open project for 2D/3D image processing
One framework for creating powerful cross-platform games
Build native apps for iOS, Android, Windows and macOS
A J2ME emulator for Android
SkiaSharp is a cross-platform 2D graphics API for .NET platforms
A high-performance, feature-packed library for all your mapping needs
Accelerate cross-platform MR app development in Unity
Everything you need to build and deploy scalable realtime 3D apps
A Swift Package for creating familiar UI Elements and animation
Real-time physically based rendering engine for Android, iOS, and more
A dead simple 2D game library for Go
Beautiful, high-performance Graphs and Charts for React Native
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Cross-platform 2D game engine (+ full OpenGL, +full OpenGL ES )
Simple and flexible programming language for applications development
Orx: Portable Game Engine
2D zoom and pan behavior for View hierarchies, images, video streams
Use Apache echarts (incubating) in WeChat mini program
games for kids
Space shooter style game arcade version - Games/Entertainment Software
ZED OS the clone of Windows XP