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HellFireFloorp
Free

Free to download from the GitHub releases page.

 Free

Free and open source under MPL-2.0. The project asks for sponsorship but nothing in the…

Linux Windows, macOS, Linux
  • Unmodified Firefox behaviour and appearance with compile-time optimizations
  • Build configuration and patcher script are published in the repository
  • Vertical tabs, workspaces, split view and web panels are built in rather than bolted on with extensions
  • Firefox underneath, so Gecko, containers and Firefox add-ons all still work
  • Builds only for x86_64 Linux; Windows support was dropped
  • License is not clearly stated in the repository metadata
  • A small team rebasing on Firefox, so security updates arrive after Mozilla's, not with them
  • Less-travelled code than Firefox itself, which means interface bugs the main browser does not have
Downloadable app Downloadable app
Closed 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 October 2, 2026

Checked September 21, 2026

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