ScummVM - Game engine recreation of SCUMM made by LucasArts.

RetroArch - RetroArch is a frontend for emulators, game engines and media players.

DOSBox - DOSBox is a DOS-emulator that uses the SDL-library.

LaunchBox - LaunchBox is a portable, box-art-based games database and launcher for DOSBox, emulators, arcade cabinets, and PC Games. Download it free!

Batocera.linux - Batocera.linux is an open-source and completely free retro-gaming distribution that can be copied to a USB stick or an SD card with the aim of turning any computer/nano computer into a gaming console during a game or permanently.

Playnite - Source code generated using layoutit.com