Free Thunderbird Alternatives

Alternatives list

1. 

   

   Scribe Mail

    8 likes

   Scribe is a small portable email client with an intergrated contact database and calendar. It supports all the major internet mail protocols and uses international standards where possible. Scribe doesn't required installing or uninstalled and can be used from a removable...

   Cost / License

   • Free
   • Open Source (GPL-3.0)

   Application typeApplication types

   • Email Client
   • Calendar

   Since

   • Since 2010

   Platforms

   • Windows
   • Mac
   • Linux
   • Haiku

   

   

   

   +1

   

   More about Scribe Mail  

   

   Good alternative?Is Scribe Mail a good alternative to Thunderbird?

    
2. N

   N

   Nylas Mail Lives

    3 likes

   Nylas Mail Lives is a fork of Nylas Mail that fixes many longstanding issues, improves the client experience, and is committed to publish new releases.

   39 Nylas Mail Lives alternatives

   Cost / License

   • Free
   • Open Source (MIT)

   Application type

   • Email Client

   Since

   • Since 2017

   Alerts

   • Discontinued

   Platforms

   • Windows
   • Mac
   • Linux
   • Self-Hosted

   

   More about Nylas Mail Lives  

   N

   

   Good alternative?Is Nylas Mail Lives a good alternative to Thunderbird?

    
4. 

   

   EmailOps

    Like

   A privacy-first desktop email client with local AI. Chat with your inbox, draft replies and auto-tag mail, and none of your email goes to the cloud.

   Cost / License

   • Free
   • Open Source (Apache-2.0)

   Application type

   • Email Client

   Since

   • New

   Platforms

   • Windows
   • Mac
   • Linux

   

   More about EmailOps  

   

   Good alternative?Is EmailOps a good alternative to Thunderbird?

    
5. Ad

   

   

   Mailbird

   Streamline your email experience by managing multiple accounts, integrating apps like Slack and Google Calendar, and using AI-driven features like drafting and spam prevention. Customize your workspace with themes, notifications,...

   https://www.getmailbird.com

   Learn More
6. 

   

   Mail by elementary (formerly Pantheon)

    11 likes

   Mail is designed to let you manage your email quickly and effortlessly. Its interface is based on conversations, so you can read an entire discussion without having to click from message to message.

   Cost / License

   • Free
   • Open Source (GPL-3.0)

   Application type

   • Email Client

   Origin

   • United States

   Since

   • Since 2016

   Platforms

   • Linux
   • elementary OS

   • United States

   

   More about Mail by elementary (formerly Pantheon)  

   

   Good alternative?Is this a good alternative to Thunderbird?

    
7. 

   

   Prudii

    1 like

   Prudii is a private, tracker-blocking desktop email client for Windows, macOS and Linux. All mail stays on your machine — no cloud, no telemetry.

   Cost / License

   • Free
   • Proprietary

   Application type

   • Email Client

   Origin

   • Germany
   • EU

   Since

   • Since 2026

   Platforms

   • Windows
   • Mac
   • Linux

   • Germany
   • EU

   

   

   More about Prudii  

   

   Good alternative?Is Prudii a good alternative to Thunderbird?

    
9. 

   

   Icedove-UXP

    Like

   Historically, Icedove was a re-branding of Thunderbird by the Debian project, with minimal modifications, in order to resolve branding disputes. Debian since discontinued Iceweasel in February of 2017 after reaching an agreement with Mozilla over the use of it's trademark.

   Cost / License

   • Free
   • Open Source

   Application type

   • Email Client

   Origin

   • Paraguay

   Since

   • Since 2018

   Platforms

   • Linux

   

   Good alternative?Is Icedove-UXP a good alternative to Thunderbird?

    
10. 

    

    MailCraft

     2 likes

    This is an open-source, clean-room mail, calendar and contacts program in pure Rust, for Microsoft 365, Outlook.com and IMAP. Early alpha.

    10 MailCraft alternatives

    Cost / License

    • Free
    • Open Source (Apache-2.0)

    Application type

    • Email Client

    Origin

    • United Kingdom

    Since

    • New

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD

    • United Kingdom

    

    

    

    +1

    

    More about MailCraft  

    

    Good alternative?Is MailCraft a good alternative to Thunderbird?

     
11. 

    

    Orbit Communicator

     1 like

    Orbit Communicator is a client server application that's designed to be deployed locally on your desktop machine. It currently provides an integrated email / calendaring experience based on external IMAP mail sources.

    Cost / License

    • Free
    • Proprietary

    Application typeApplication types

    • Email Client
    • Calendar

    Origin

    • United Kingdom

    Since

    • Since 2023

    Platforms

    • Mac
    • Linux
    • Self-Hosted

    • United Kingdom

    

    

    

    More about Orbit Communicator  

    

    Good alternative?Is Orbit Communicator a good alternative to Thunderbird?

     
12. 

    

    Macro

     3 likes

    Macro is the open source company OS - channels, email, docs, tasks, crm, and AI in one workspace - that's self-hostable and AGPLv3 licensed.

    Cost / License

    • Freemium
    • Open Source (AGPL-3.0)

    Application typeApplication types

    • Team Collaboration
    • Task Management

    Origin

    • United States

    Since

    • Since 2026

    Platforms

    • Online
    • iPhone

    • United States

    

    

    

    +2

    

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    Good alternative?Is Macro a good alternative to Thunderbird?

     
13. 

    

    OE Classic

     1 like

    OE Classic is an email and Usenet reader designed to be a perfect replacement for Outlook Express, Windows Mail, Windows Live Mail and even Mozilla Thunderbird.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    • Email Client

    Since

    • Since 2017

    Platforms

    • Windows

    

    

    

    +9

    

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    Good alternative?Is OE Classic a good alternative to Thunderbird?

     
14. 

    

    WunderMail

     2 likes

    The missing native desktop client for Gmail on Windows 10.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    • Email Client

    Origin

    • Germany
    • EU

    Since

    • Since 2018

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Gmail

    • Germany
    • EU

    

    

    

    +4

    

    More about WunderMail  

    

    Good alternative?Is WunderMail a good alternative to Thunderbird?

     
15. 

    

    Mynigma

     2 likes

    Mynigma is a new kind of email client with built-in encryption.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    • Email Client

    Origin

    • Germany
    • EU

    Since

    • Since 2014

    Alerts

    • Discontinued

    Platforms

    • Mac
    • iPhone
    • iPad

    • Germany
    • EU

    

    

    

    More about Mynigma  

    

    Good alternative?Is Mynigma a good alternative to Thunderbird?