melonDS - A Nintendo DS emulator with support for commercial games.
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
nds4droid - nds4droid is a free, open source Nintendo DS emulator written for Android smartphones.
Playnite - Source code generated using layoutit.com
Delta - Delta is the ultimate cryptocurrency portfolio management tool.
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.