Native Android app for Habitica
Solar2D Game Engine main repository (ex Corona SDK)
Desktop/Android/HTML5/iOS Java game development framework
A simple and easy-to-use library to enjoy videogames programming
A Minecraft Java Edition Launcher for Android and iOS
One framework for creating powerful cross-platform games
A habit tracker app which treats your goals like a Role Playing Game
The source code to VVVVVV
Gideros Release version
A beautiful, easy-to-use and ad-free comic and game client
An open source C++ game engine
New Godot bindings for Swift
Urho3D Game engine
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
A cross-platform, open-source, pure C game engine for mobile game
Memory Efficient Serialization Library
An MVVM & Databinding framework that can use C# and Lua
Open source Cardboard SDK and samples
Godot Kotlin JVM Module
Lightweight game framework for Roblox
websocket and http client and server library, with TLS support
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Engo is an open-source 2D game engine written in Go
Orx: Portable Game Engine