Thunderbird Alternatives

Thunderbird is described as 'Free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox' and is a leading Email Client in the office & productivity category. There are more than 50 alternatives to Thunderbird for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Thunderbird alternative is K-9 Mail, which is both free and Open Source. Other great apps like Thunderbird are Claws Mail, Evolution, SeaMonkey and Geary.

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Thunderbird alternatives are mainly Email Clients but may also be Calendar Apps or Web Browsers. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Thunderbird.

Thunderbird

2385

Email Client
Free • Open Source

Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.

More about Thunderbird

Thunderbird alternatives page was last updated Sep 26, 2024

aerc
aerc is an email client that runs in your terminal. It's highly efficient and extensible, perfect for the discerning hacker.
51 aerc alternatives
License model
- Free • Open Source
Application type
- Email Client
Platforms
- Linux
Top aerc Features
1. Multiple Account support
2. Command line interface
3. Dark Mode
4. Lightweight
5. Support for Themes
6. Support for scripting
7. Ad-free
8. Portable
9. GPG Encryption
10. Works Offline
11. Privacy focused
12. PGP Encryption
Show all NaN aerc features ▾
aerc VS Thunderbird
Is aerc a good alternative to Thunderbird?

Shift
Shift is an email client that makes navigating between Mail, Calendar, Drive + your favorite Apps & Extensions easy (for Gmail, Outlook.com - Office 365 & Hotmail).
44 Shift alternatives
License model
- Freemium • Proprietary
Application type
- Email Client
Platforms
- Mac
- Windows
+5
Top Shift Features
1. Multiple Account support
2. Unified inbox
3. Sync with Google Calendar
4. Extensible by Plugins/Extensions
5. Quick switching using hotkeys
6. Unified search
7. Microsoft Teams Integration
8. Salesforce integration
9. Gmail integration
10. Google Drive integration
11. Sync with Google Drive
12. Google Apps integration
Show all NaN Shift features ▾
Shift VS Thunderbird
Is Shift a good alternative to Thunderbird?

LucaMail
LucaMail is an open source, cross-platform email client. LucaMail is developed to provide cross-platform alternative to Email Clients that are really exists. LucaMail focuses on modern technologies as well as maintaining a user-friendly UI.
74 LucaMail alternatives
License model
- Free • Open Source
Application type
- Email Client
Platforms
- Mac
- Windows
- Linux
LucaMail Features
Dark Mode
IMAP Support
Show all NaN LucaMail features ▾
+5
Discontinued
Repository marked as archived as of Dec 24, 2022. No new releases since May 26, 2022.
LucaMail VS Thunderbird
Is LucaMail a good alternative to Thunderbird?
Comments about LucaMail as an Alternative to Thunderbird

sp4mmed
The lack of POP support means this is useless for my purposes. Since Thunderbird DOES support POP this means LucaMail is NOT an alternative.
Negative comment •Oct 7, 2022
-1
- LucaMail is Free and Open SourceThunderbird is also Free and Open Source

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eM Client
Looking for a full-featured email client with a modern and easy-to-use interface? Look no further than eM Client. Rated 3 out of 5, eM Client is a popular alternative to Thunderbird, offering all the features you need to manage y...

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Airmail
Airmail is a lightweight and lightning fast mail client for Mac.
67 Airmail alternatives
License model
- Paid • Proprietary
Application type
- Email Client
Platforms
- Mac
- iPhone
- iPad
- Apple Watch
Airmail Features
1. Multiple Account support
2. Lightweight
3. Clean design
4. IMAP Support
5. POP3 Support
6. Fullscreen support
7. Dropbox integration
8. Customizable
Show all NaN Airmail features ▾
Airmail VS Thunderbird
Is Airmail a good alternative to Thunderbird?

TypeApp
TypeApp is an all-free, beautifully designed, universal email app, capable of managing unlimited number of mail accounts from various providers, allowing for smart push notifications while enabling personalization across multiple email accounts.
62 TypeApp alternatives
License model
- Free Personal • Proprietary
Application type
- Email Client
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Android Wear
- Kindle Fire
+6
TypeApp Features
1. Unified inbox
2. Email Organizer
3. Privacy focused
4. Multiple Account support
5. Live Push Notifications
6. Exchange
Show all NaN TypeApp features ▾
TypeApp VS Thunderbird
Is TypeApp a good alternative to Thunderbird?
Comments about TypeApp as an Alternative to Thunderbird

Guest
Professional looking interface, options available at a swipe of the finger tip. Very slick app.
Positive comment •Jun 20, 2017
2
- Most users think TypeApp is a great Thunderbird alternative.
- TypeApp is Free Personal and ProprietaryThunderbird is Free and Open Source
- TypeApp is Privacy focusedThunderbird is not according to our users

Wino Mail
Wino is a lightweight native mail client for Windows 10/11. It is still in active development. Main motivation for this project is to replace Mail & Calendar for Windows with modern Windows design without using web technologies for speed.
22 Wino Mail alternatives
License model
- Freemium • Open Source
Application type
- Email Client
Platforms
- Windows
+2
Wino Mail Features
1. Multiple Account support
2. Lightweight
3. Dark Mode
4. No Tracking
5. Ad-free
6. UWP
7. Gmail
8. Native application
9. Bundled with Windows
Show all NaN Wino Mail features ▾
Wino Mail VS Thunderbird
Is Wino Mail a good alternative to Thunderbird?

Nextcloud Mail
💌 Mail app for Nextcloud.
42 Nextcloud Mail alternatives
License model
- Free • Open Source
Application type
- Email Client
Platforms
- Online
- Self-Hosted
Nextcloud Mail Features
1. End-to-End Encryption
2. Privacy focused
3. Ad-free
4. Multiple Account support
5. IMAP Support
Show all NaN Nextcloud Mail features ▾
Nextcloud Mail VS Thunderbird
Is Nextcloud Mail a good alternative to Thunderbird?