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86Box vs MartyPC: catalog facts
86Box	MartyPC
Free Free and open source.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
Accurate low-level emulation of period PC hardware Wide range of emulated machines and peripherals	Cycle-accurate IBM PC and XT emulation Runs timing-sensitive demos and software
Needs original BIOS ROMs and OS media to be useful Low-level emulation needs a fast host CPU	Focused on early PCs, not later 386 or Pentium machines Accuracy comes at a higher CPU cost than simpler emulators
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: MIT
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.