ZSNES is described as 'Super Nintendo Entertainment System emulator. Aside from emulation accuracy, many interface features first introduced in ZSNES have been adopted by other emulators. ZSNES interface features include: Smoothing and dynamic image scaling; screenshot capture; state' and is a very popular Game Emulator in the gaming software category. There are more than 25 alternatives to ZSNES for a variety of platforms, including Windows, Linux, Android, Mac and iPhone apps. The best ZSNES alternative is RetroArch, which is both free and Open Source. Other great apps like ZSNES are Snes9x, Ares (Formerly Higan / BSNES), Snes9x EX+ and KRetro.