Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Native Android app for Habitica
Simple and light-weight 3D game engine
A modern cross-platform low-level graphics library
Open source routing engine for OpenStreetMap
RenderDoc is a stand-alone graphics debugging tool
Desktop/Android/HTML5/iOS Java game development framework
Phaser is a free and fast 2D game framework for making HTML5 games
Orx: Portable Game Engine
API documentation engine for Kotlin
Memory Efficient Serialization Library
Innovative user interfaces made easy
JUCE is an open-source cross-platform C++ application framework
Tool to build cross-platform and high-performance awesome apps
A re-implementation of Freelancer
Real-time physically based rendering engine for Android, iOS, and more
A simple and easy-to-use library to enjoy videogames programming
LÖVE is an awesome 2D game framework for Lua
3D Engine c++
stb single-file public domain libraries for C/C++
Lua Virtual Reality engine
Framework to facilitate communication in the Unity game engine
A guide for how to use your smartphone to code anywhere at anytime
Godot game template and component-based framework
Skript is a Bukkit plugin which allows server admins