Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Native Android app for Habitica
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
Orx: Portable Game Engine
Phaser is a free and fast 2D game framework for making HTML5 games
Innovative user interfaces made easy
Real-time physically based rendering engine for Android, iOS, and more
JUCE is an open-source cross-platform C++ application framework
Memory Efficient Serialization Library
A simple and easy-to-use library to enjoy videogames programming
A re-implementation of Freelancer
API documentation engine for Kotlin
LÖVE is an awesome 2D game framework for Lua
Lua Virtual Reality engine
3D Engine c++
Framework to facilitate communication in the Unity game engine
Kotlin Multiplatform bindings to Skia
Godot game template and component-based framework
Dedicated Game Server Hosting and Scaling for Multiplayer Games
Simple DirectMedia Layer
3D game engine/framework in C, with Luajit and Python bindings now
Realtime application framework (Node.JS server)