LaunchBox is recommended for gamers who want to organize both contemporary and retro games across multiple platforms. It's particularly beneficial for users who appreciate customization and community support, as well as those who want a seamless experience managing large game libraries.
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
Stella - Stella is a multi-platform Atari 2600 VCS emulator released under the GNU General Public License...
Playnite - Source code generated using layoutit.com
Shoebill - Shoebill - a Macintosh II emulator that runs A/UX (and A/UX only).
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.
Hatari - Hatari is an Atari ST emulator for Linux and other systems that are supported by the SDL library.