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