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Bochs vs 86Box: catalog facts
Bochs	86Box
Free Free and open source.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
Full x86 emulation, from 386 to recent x86-64 CPUs Useful for OS development and low-level debugging	Accurate low-level emulation of period PC hardware Wide range of emulated machines and peripherals
Much slower than virtualization-based VM software Configuration is text-based and technical	Needs original BIOS ROMs and OS media to be useful Low-level emulation needs a fast host CPU
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0
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 September 23, 2026

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