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r3dfoxPale Moon
Free

Free and open source, based on Firefox's Mozilla Public License code.

 Free

The software is free under its open-source licence. Hosting, hardware and external…

Windows Windows, macOS, Linux
  • Runs a current Firefox engine on Windows Vista and 7
  • Follows recent Firefox releases
  • It keeps the pre-Quantum Gecko engine and the old XUL extension model, so add-ons that Firefox dropped still…
  • Small community project dependent on a few maintainers
  • Windows only
  • The source is MPL but the official binaries carry a separate branding licence, and its older engine misses…
Downloadable app Downloadable app
Open source Open source
License: MPL-2.0 License: MPL-2.0
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked September 22, 2026

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