Cross-platform email client supporting multiple identities, chat, and strong filtering. Extend functionality with add-ons like RSS/Atom feed readers and PGP support.
Cost / License
- Free
- Open Source (MPL-2.0)
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- BSD
- AppImageHub
- Snapcraft
- Flathub
- PortableApps.com
- F-Droid
- Haiku
- Homebrew
- Chocolatey




Comments about Thunderbird as an Alternative to Mailspring

- Thunderbird is Free and Open Source
- Thunderbird is Privacy focused











































Thunderbird is free, stores nothing in a cloud service, so you control your email and the storage of your personal data. It supports encryption (natively, now) and with plugins is able to work with GMail and Exchange accounts without giving all your info to those behemothim. Easily customized mail rules allow you to route mail easily where you want it, and even without plugins it can easily protect against unwanted attachments, etc.