Compare software

GNU IceCatWaterfox
Free

Free software from the GNU Project with no paid tier.

 Free

Free and open source under MPL-2.0. Development is funded by donations.

Linux Windows, macOS, Linux
  • Contains only free software, with no nonfree add-on recommendations
  • LibreJS blocks nonfree JavaScript
  • Telemetry and data collection are removed from the build, not just disabled in preferences
  • Ad blocking and private, anonymised DNS are on by default
  • Blocking JavaScript breaks many modern sites until you allow scripts
  • Builds are distributed from a third-party download page
  • One small team tracking Mozilla, so security updates land after Firefox's
  • The project has changed hands in the past, which matters if you are picking it on trust
Downloadable app Downloadable app
Open source Open source
License not stated License: MPL-2.0
No account needed No account needed
Not stated if it works offline Needs internet

Checked September 23, 2026

Checked September 21, 2026

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