Fuse for Mac OS X is a Mac OS X port of the Free Unix Spectrum Emulator (Fuse), an emulator of the 1980s home computer and various clones.
What features does it have?

• Working 16K, 48K, 128K, +2, +2A, +3, +3e, SE, TC2048, TC2068, TS2068, Pentagon 128 and Scorpion ZS 256 emulation, running at true Speccy speed on any computer you’re likely to try it on.
• Support for loading from .tzx files.
• Sound
• Kempston joystick emulation.
• Emulation of the various printers you could attach to the Spectrum.
• Support for the RZX input recording file format, including ‘competition mode’.
• Emulation of the DivIDE, Interface I, +D, Beta 128, Kempston mouse, Spectrum +3e, ZXATASP and ZXCF interfaces.

What’s new:

Version 0.9.0.1:

• Add +D and Beta disk insert menu entries.
• Allow .img files to be opened and saved as +D images.
• Update joystick support from SDL.
• Add 4x and 5x zoom options.

Website
Download Fuse for Mac OS X