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JSLinux vs WebVM: catalog facts
JSLinux	WebVM
Free Free to use in the browser.	Free Free to use at webvm.io.
Web	Web
Runs entirely in the browser with nothing to install Covers x86, x86_64 and RISC-V systems	Runs Linux in a browser tab with nothing to install Supports networking and graphics
Slower than a native virtual machine Some systems have long boot times	Performance is limited by in-browser emulation Not a substitute for a full local virtual machine for heavy work
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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