Open Source Gaming

Open-source game library manager unifying PC and emulated titles from platforms including Steam, GOG, and Origin with customizable plugins and themes.

Lakka is the official Linux distribution of RetroArch and the libretro ecosystem. Each game system is implemented as a libretro core, while the frontend RetroArch takes care of inputs and display.

RetriX is an emulator front end for UWP, on all the hardware platforms it supports: it serves the same purpose as RetroArch but is built from the ground up to integrate as well as possible with Windows.

Indie-focused digital marketplace and community platform offering customizable pricing, game hosting, stats tracking, asset sales, and manageable app downloads.

RetroAchievements.org is a community who collaborate and compete to earn custom-made achievements in classic games through emulation.

RetroPie allows you to turn your Raspberry Pi or PC into a retro-gaming machine. It builds upon Raspbian, EmulationStation, RetroArch and many other projects to enable you to play your favourite classic games with the minimum set-up.

Lutris is an open source gaming platform for GNU/Linux. It allows you to gather and manage (install, configure and launch) all your games acquired from any source, in a single interface.

Snes9x is a portable, Super Nintendo Entertainment System (SNES) emulator. It allows you to play most games designed for the SNES and Super Famicom Nintendo game systems on your PC.

VisualBoyAdvance (VBA) is a free software (GNU GPL) emulator targeted for the Game Boy, Super Game Boy, Game Boy Color, and Game Boy Advance handheld game consoles sold by Nintendo.

ScummVM is a program which allows you to run certain classic graphical point-and-click adventure games, provided you already have their data files.