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JSLinux vs Bochs: catalog facts
JSLinux	Bochs
Free Free to use in the browser.	Free Free and open source.
Web	Windows, macOS, Linux
Runs entirely in the browser with nothing to install Covers x86, x86_64 and RISC-V systems	Full x86 emulation, from 386 to recent x86-64 CPUs Useful for OS development and low-level debugging
Slower than a native virtual machine Some systems have long boot times	Much slower than virtualization-based VM software Configuration is text-based and technical
Web application	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Needs internet	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.