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ZEsarUX vs Fuse for macOS: catalog facts
ZEsarUX	Fuse for macOS
Free Free and open source.	Free Free download from SourceForge.
Windows, macOS, Linux	macOS
Covers every Sinclair computer Supports many regional Spectrum and ZX81 clones	Native macOS port of a long-standing ZX Spectrum emulator Apple Silicon build available
Dense interface with many options Focused on Sinclair machines and their clones	macOS only Project homepage is minimal, with little documentation
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.