RetroArch is a frontend for emulators, game engines and media players.
Windows 95 in Electron. Runs on macOS, Linux, and Windows
World's #1 Android Emulator
BlueStacks Air: Android apps, now seamlessly on Apple Silicon Macs
C64 Emulator
Portable ZX-Spectrum emulator based on UnrealSpeccy 0.37.3 by SMT