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Tor Browser vs GNU IceCat: catalog facts
Tor Browser	GNU IceCat
Free Free and open source. The Tor Project is a US non-profit funded by grants and donations.	Free Free software from the GNU Project with no paid tier.
Windows, macOS, Linux, Android	Linux
Traffic passes through three relays, so no single one knows both who you are and what you opened Fingerprinting defences make one Tor user look like the next	Contains only free software, with no nonfree add-on recommendations LibreJS blocks nonfree JavaScript
Noticeably slower than a direct connection; video is painful Some sites block Tor exit nodes outright or bury you in captchas	Blocking JavaScript breaks many modern sites until you allow scripts Builds are distributed from a third-party download page
Downloadable app	Downloadable app
Open source	Open source
License: MPL-2.0	License not stated
No account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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