Orx: Portable Game Engine
Phaser is a free and fast 2D game framework for making HTML5 games
Desktop/Android/HTML5/iOS Java game development framework
A simple and easy-to-use library to enjoy videogames programming
Innovative user interfaces made easy
3D Engine c++
A re-implementation of Freelancer
Dedicated Game Server Hosting and Scaling for Multiplayer Games
Framework to facilitate communication in the Unity game engine
Godot game template and component-based framework
3D game engine/framework in C, with Luajit and Python bindings now
Real-time physically based rendering engine for Android, iOS, and more
An MVVM & Databinding framework that can use C# and Lua
A showcase app for the Flutter SDK
Easy to use Python library for creating 2D arcade games
Creative cellular automata browser game
UI Automation Framework for Games and Apps
Ct.js is a desktop game engine that makes learning programming fun
Kotlin Multiplatform bindings to Skia
The .NET MVVM framework for cross-platform solutions
RenderDoc is a stand-alone graphics debugging tool
The HTML5 Creation Engine
This software is a particle effect editing tool
Coroutine-based concurrency library for PHP
Simple DirectMedia Layer