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JShelter vs NoScript Security Suite: catalog facts
JShelter	NoScript Security Suite
Free Free and open source under the GPL.	Free Free and open source under the GPL.
Browser extension	Browser extension
Targets fingerprinting APIs specifically instead of blocking scripts wholesale Network boundary shield blocks public pages probing your local network	Per-source permissions give very fine control over what a page may run Includes anti-XSS and clickjacking protections beyond simple blocking
Stronger levels break sites that legitimately use the affected APIs Adding noise can itself make a browser more distinctive in some cases	Many sites break until permissions are granted, which takes real effort Not a good fit for people who want protection without configuration
Browser extension	Browser extension
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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