ZEsarUX 9.0 Mac Emulator is available to download for Sinclair ZX81. This emulator works in maximum quality on the Mac platform and is developed by chernandezba. Download ZEsarUX 9.0 Mac to play Sinclair ZX81 ROMs on your device. Cross-platform Sinclair ZX81 Emulators are available only at EmulatorGames.net for multiple platforms to run your games.