Last checked October 15, 2026
Thunderbird
Thunderbird is Mozilla's mail client for Mac, Windows, and Linux, plus an official Android app. It talks to any IMAP account, including Gmail or a server you run. It does not host mail and it does not give you a custom domain.
Open sourceMPL-2.0IndividualsPrivacy-conscious
MacWindowsLinuxAndroid
Free tier
The desktop and Android apps are free to download from Thunderbird.
Hosted
No hosted price recorded.
Self-host
Thunderbird is a client. The mail still lives on a provider or on a server such as mailcow.
Drop-in scores
Sources checked
https://ditchly.co/software/thunderbird