Top RETRO GitHub Repositories & Tools (2026)

Cross-platform, sophisticated frontend for the libretro API. Licensed GPLv3.

Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind.

A beautiful, powerful, self-hosted ROM manager and player.

Tender — your RomM library, running native in Steam. Decky Loader plugin for the Steam Deck: library sync, ROM downloads, BIOS management and save sync.

The Open Source Disassembler

Game Boy / Game Boy Color / Super Game Boy emulator and debugger with embedded MCP server for macOS, Windows, Linux, BSD and RetroArch.

The RetroAchievements.org platform. Includes core functionality for managing achievements, game data, and community features.

Gif LazyVerticalGrid MVVM using Dagger 2 + Hilt with Retrofit 2, Moshi, Kotlin Coroutines, JUnit, Compose and Robolectric tests!

Sega Master System / Game Gear / SG-1000 emulator and debugger with embedded MCP server for macOS, Windows, Linux, BSD and RetroArch.

SquirrelJME is a Java ME 8 Virtual Machine for embedded and Internet of Things devices. It has the ultimate goal of being 99.9% compatible with the Java ME standard.

PC Engine / TurboGrafx-16 / SuperGrafx / CD-ROM² / LD-ROM² emulator and debugger with embedded MCP server for macOS, Windows, Linux, BSD and RetroArch.

A Friend-to-Friend, decentralized and secure application for communication and sharing

A modern, retro-styled terminal multiplexer built with Rust.

ColecoVision, ADAM emulator and debugger with embedded MCP server for macOS, Windows, Linux, BSD and RetroArch.

A completely offline, aesthetically pleasing google tasks alternative to do list app, inspired by system-24 theme and windows mobile design system. Recently rewritten with Vue. It's just a 124kb apk that allows you to take notes from status bar and from other apps with support for homescreen widgets! Made with ❤️ and 🔥.

The DLL responsible to integrate emulators with RetroAchievements.org

One code, and you're in the same room. Remote multiplayer between Android emulators: 3DS, Switch, PSP, PS2, DS and WII.

The Windows themed keyboard for Android with Windows 98, XP, Vista and Windows Phone 8.1 themes. No trackers, no network, typing stays on the phone.

A retro Macintosh-inspired system monitor for macOS.

Sound generates the terrain, tilt shapes the world, real-world time and weather shape the sky — a tiny living world for M5Stack Cardputer ADV.