SDL

OpenRAOpenRA/OpenRA

A libre real-time strategy game engine for classic Westwood games like Command & Conquer: Red Alert.

Shotcutmltframework/shotcut

A free, open-source, cross-platform video editor built on the MLT multimedia framework.

PPSSPPhrydgard/ppsspp

A fast, portable, and high-level emulator for the PlayStation Portable (PSP) that runs on Android, Windows, Mac, Linux, and iOS.

DevilutionXdiasurgical/devilutionX

A modern source port of Diablo and Hellfire with engine improvements, bug fixes, and quality-of-life features.

PokemonRedExperimentsPWhiddy/PokemonRedExperiments

A reinforcement learning framework for training AI agents to play Pokémon Red using PyBoy emulation.

OpenTTDOpenTTD/OpenTTD

An open-source transport simulation game based on Transport Tycoon Deluxe, featuring expanded gameplay and multiplayer support.

mGBAmgba-emu/mgba

A fast and accurate Game Boy Advance emulator that also supports Game Boy and Game Boy Color games.

The Powder Toysimtr/The-Powder-Toy

A desktop physics sandbox game simulating air pressure, velocity, heat, and countless interactions between substances.

UnleashedRecomphedge-dev/UnleashedRecomp

An unofficial PC port of Sonic Unleashed (Xbox 360) created via static recompilation, featuring modern enhancements and mod support.

melonDSmelonDS-emu/melonDS

A Nintendo DS emulator focused on accuracy and performance, aiming to do things right and fast.

RmlUimikke89/RmlUi

A lightweight C++ UI library that renders HTML/CSS-like documents for games and applications, with full control over rendering and input.

Halleyamzeratul/halley

A lightweight, cross-platform game engine written in modern C++17, designed for high performance and easy long-term maintenance.

Warzone 2100Warzone2100/warzone2100

A free, open-source 3D real-time strategy game with a story-driven campaign, online multiplayer, and customizable units.

touchHLEtouchHLE/touchHLE

A high-level emulator written in Rust that runs early iPhone OS 2.x and 3.x games on modern desktops and Android.

HeapsHeapsIO/heaps

A cross-platform, high-performance graphics engine for game development using the Haxe language.

libqrencode Wfukuchi/libqrencode

A fast and compact C library for encoding data into QR Code symbols with direct bitmap output.

Dungeon Crawl: Stone Soupcrawl/crawl

A roguelike dungeon crawler featuring tactical combat, diverse character skills, deity worship, and procedurally generated levels.

raylib-gogen2brain/raylib-go

Go bindings for raylib, a simple library for videogames programming.

olive.ctsoding/olive.c

A single-header, dependency-free 2D graphics library for C that renders pixels directly into memory.

OpenXcomSupSuper/OpenXcom

An open-source clone of the classic 'UFO: Enemy Unknown' and 'X-COM: Terror From the Deep' strategy games.

dhewm3dhewm/dhewm3

A modern, cross-platform source port of Doom 3 that fixes bugs and adds new features while preserving original gameplay.

SameBoyLIJI32/SameBoy

A highly accurate Game Boy and Game Boy Color emulator written in portable C with native macOS and SDL frontends.

MilkyTrackermilkytracker/MilkyTracker

A cross-platform music tracker for creating .MOD and .XM module files, compatible with Fasttracker II.

Horde3Dhorde3d/Horde3D

A lightweight, cross-platform 3D rendering and animation engine with a clean C++ architecture and C-style API.

AnKi 3D Enginegodlikepanos/anki-3d-engine

An open-source 3D game engine supporting Vulkan and DirectX 12 across Linux, Windows, and Android platforms.