Ubuntuzilla
APT repository and tooling to install Mozilla-published Firefox, Thunderbird, and SeaMonkey builds on Ubuntu.
Why it is included
Long-lived community packaging story frequently linked from distro and SF threads.
Best for
Ubuntu users who want upstream Mozilla binaries via apt instead of Snap-only defaults.
If you use Windows, Mac, or paid tools
Firefox/Thunderbird packaging alternative to Ubuntu Snap-only defaults and vendor PPAs for upstream Mozilla builds.
Strengths
- Upstream-aligned versions
- Familiar apt workflow
Limitations
- Ubuntu-specific; follow Mozilla security advisories
Good alternatives
Mozilla tarball · Flatpak Firefox
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