Video game (console) emulation

• RPCS3 – PlayStation 3

• Dolphin – Wii, Wii U, Gamecube
• MelonDS – Nintendo DS
• Citra – 3DS
• Cemu – Wii U

• Sameboy – GB / GBC
• mGBA – GameBoy Advance (GBA)

• Mesen
• bsnes – Super NES

• Simple64
• mupen64plus
• paraLLEl N64 – Optimized/rewritten Nintendo 64 emulator made specifically for Libretro. Originally based on Mupen64 Plus.

• Yuzu
• Ryujinx

Libretro is a library for lots of games with lots of different cores.

See retro gaming.