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

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