Fuse is described as '(the Free Unix Spectrum Emulator) was originally, and somewhat unsurprisingly, a ZX Spectrum emulator for Unix. However, it has now also been ported to Mac OS X, which may or may not count as a Unix variant depending on your advocacy position' and is an app in the Gaming Software category. There are five alternatives to Fuse for a variety of platforms, including Windows, Linux, Online / Web-based, Android and Self-Hosted solutions. The best alternative is Retro Virtual Machine, which is free. Other great apps like Fuse are Speccy emulator (Free), JSSpeccy (Free, Open Source), Spectaculator (Freemium) and Qaop (Free).
Speccy is a cross-platform emulator for Sinclair ZX Spectrum. FEATURES - Emulates 16kB, 48kB, and 128kB versions of Sinclair ZX Spectrum, Spectrum +2, +2A, and +3, and Timex Sinclair models. - Supports all types of ZX Spectrum joysticks and the Kempston mouse.