Thunderbird Alternatives

Thunderbird is described as 'Cross-platform email client providing POP/IMAP support, robust filtering, multiple accounts, and chat. Extendable via add-ons with RSS/Atom, etc' 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, Betterbird and SeaMonkey.

filter to find the best alternatives

Thunderbird alternatives are mainly Email Clients, but if you're looking for Calendar Apps or Contact Managers you can filter on that. Other popular filters include Windows + Open Source, Open Source, Windows, iPhone, Linux, EU and Free. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Thunderbird.
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Alternatives list

  1. eM Client icon

    eM Client

     234 likes

    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 your email, calendar, tasks, contacts, notes, and chat all in one place.

    With support for IMAP, calendar integration, and multiple accounts, eM Client is the perfect choice for users who want a robust email client that can handle all their needs. Whether you're using Windows or Mac, eM Client is the most popular proprietary alternative to Thunderbird, offering a powerful and flexible solution for managing your email and staying organized. Give it a try today and see why so many users are making the switch to eM Client.

    63 eM Client alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    eM Client: Inbox view
     
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    13
  2. Sylpheed icon

    Sylpheed

     62 likes

    Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).

    43 Sylpheed alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    Main screen
     
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    2
  4. BlueMail icon

    BlueMail

     33 likes

    BlueMail is a modern, mobile first, powerful Email management tool with a sleek design, unified inbox and support for all your accounts: IMAP,Exchange,POP3.

    34 BlueMail alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Apple Watch
    BlueMail screenshot 1
     
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    3
  5. Ad
    Screenshot
    Superhuman Mail icon
    Superhuman Mail

    Productivity-centered email application streamlines inbox management, uses AI for drafting responses, automates snippets, summarizes conversations, enables timely sends, integrates calendar and CRM, and includes collaborative fea...

    https://superhuman.com
    Learn More
  6. Canary Mail icon

    Canary Mail

     29 likes

    Canary can write your emails, prioritize what needs attention, silence spam & much more. Say hello to your Inbox Copilot!

    64 Canary Mail alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    iOS-1
     
  7. Mailpile icon

    Mailpile

     118 likes

    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded by a large community of backers and all code related to the project is and will be released under an OSI approved Free Software license.

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • OpenPGP
    Mailpile screenshot 1
     
  8. Mutt icon

    Mutt

     68 likes

    Mutt is a small but very powerful text-based mail client for Unix operating systems. Some of its features are: color support, message threading, MIME support (including RFC2047 support for encoded headers), PGP/MIME (RFC2015), various features to support mailing lists, including...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Xfce
    Mutt screenshot 1
     
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    2
  10. KMail icon

    KMail

     49 likes

    KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for KDE. It supports calendars, contacts, notes, to-do lists, news, and email.

    54 KMail alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • BSD
    KMail screenshot 1
     
  11. The Bat icon

    The Bat

     51 likes

    The Bat! is a secure email client software, built to protect your correspondence against third-parties.

    54 The Bat alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    The Bat screenshot 1
     
  12. TypeApp icon

    TypeApp

     30 likes

    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.

    55 TypeApp alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Android Wear
    • Kindle Fire
    TypeApp screenshot 1
     
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    1
  13. myMail icon

    myMail

     16 likes

    myMail is the smart email app for managing all your accounts on iOS and Android.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • iPhone
    • iPad
    myMail screenshot 1
     
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    1
  14. Spike icon

    Spike

     35 likes

    Transform your email inbox into a collaborative workspace with Spike. Enjoy integrated chat-like emails, tasks, collaborative notes, and group projects. Seamlessly manage multiple accounts, organize priorities, and schedule meetings across devices.

    61 Spike alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
    • Meta Quest
    One powerful space for all your work needs—get email, chat, notes, tasks, calendar and audio/video calls all from your inbox
     
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    1
  15. Trojitá icon

    Trojitá

     17 likes

    Trojitá, is a fast Qt IMAP e-mail client that respects open standards and facilitates modern technologies. Trojitá values vendor-neutrality that IMAP provides and is committed to be as interoperable as possible.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
    Home
     
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