Engine GitHub Repositories (2026) · Open Source Tools

Ares-compatible C&C Red Alert 2: Yuri's Revenge engine extension

Real-time multi-physics simulation with an emphasis on medical simulation.

A utility to compile & decompile IW engine game scripts.

Godot JVM GDExtension. Support Kotlin, Java and Scala.

Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.

Simple, Fast, Secure, Flat-File CMS

The aim of this project is to create an Advance Wars Clone with a lot of additions customizations and modding support. For Contact Inforamtion see the wiki page. Take a view on the game.

The next-generation game engine that you deserve implemented in rust https://pulsarnative.com/ Developer_Blogs: https://pulsarnative.com/blog/ Research: https://pulsarnative.com/Research/ UI-Framework: https://pulsarnative.com/UI/

An open source soccer/football manager game

Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.

3D and 2D game engine written in Rust

Ownaudio is a cross-platform C# audio library that works across platforms without external dependencies.

awesome game security [Welcome to PR]

Solar2D Game Engine main repository (ex Corona SDK)

Payments for Ruby on Rails apps

Open source C++ 3D game engine

Actively maintained open-source game remakes.

javascript for 🐜's, a tiny runtime with big ambitions

GemRB is a portable open-source implementation of Bioware’s Infinity Engine.

A new, render-graph based 3D game engine for Linux and Windows using C++20 and Vulkan API 1.3 (in early development)