What does Thunderbird replace?

Thunderbird is a free alternative to Superhuman ($144/yr).

Is Thunderbird open source?

Its license (License unknown) couldn't be verified automatically from the repository.

Does Thunderbird run on Linux?

Yes (Arch extra: thunderbird; Flathub: org.mozilla.thunderbird). Install with: sudo pacman -S thunderbird or flatpak install flathub org.mozilla.thunderbird.

Can you self-host Thunderbird?

There's nothing to host: Thunderbird is a desktop app that runs on your own machine.

Thunderbird

A free alternative to Superhuman. Switching saves $144/yr at list price.

Checked Oct 17, 2026 · How we check

Thunderbird

Desktop app

License unknown · not verified Linux Arch/AUR

Install

$ sudo pacman -S thunderbird

$ flatpak install flathub org.mozilla.thunderbird

Thunderbird: questions

What does Thunderbird replace?: Thunderbird is a free alternative to Superhuman ($144/yr).
Is Thunderbird open source?: Its license (License unknown) couldn't be verified automatically from the repository.
Does Thunderbird run on Linux?: Yes (Arch extra: thunderbird; Flathub: org.mozilla.thunderbird). Install with: sudo pacman -S thunderbird or flatpak install flathub org.mozilla.thunderbird.
Can you self-host Thunderbird?: There's nothing to host: Thunderbird is a desktop app that runs on your own machine.

Thunderbird ↗

Thunderbird: questions

One cancellation a week.

Thunderbird