Thunderbird
Free, open-source email, calendar and contacts for desktop and mobile.
FreeAndroidMacWindowsLinux
PriceFree; funded by donations
Our verdict
The best choice for anyone who wants a free, open-source mail app, especially on Linux and Windows. There is no iPhone app.
Good
- Free and open source
- Unified inbox
- Runs on Linux, Windows, Mac and Android
Not so good
- No iPhone app
Best for
people who want it freepeople who hate subscriptionsopen source fans

