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v86 vs Bochs: catalog facts
v86	Bochs
Free Free and open source.	Free Free and open source.
Web	Windows, macOS, Linux
Runs whole operating systems in a browser tab x86-to-WebAssembly JIT for better speed	Full x86 emulation, from 386 to recent x86-64 CPUs Useful for OS development and low-level debugging
Slower than native virtualization Best suited to older or lightweight operating systems	Much slower than virtualization-based VM software Configuration is text-based and technical
Web application	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Not stated if it 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.