Betterbird AlternativesOnly apps categorised as Calendar Apps

The best Calendar alternative to Betterbird is Thunderbird, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Betterbird and five of them are Calendar Apps so hopefully you can find a suitable replacement. Other interesting Calendar App alternatives to Betterbird are Evolution, Microsoft Outlook, Claws Mail and Foxmail.

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Betterbird alternatives are mainly Calendar Apps, but if you're looking for Email Clients or Contact Managers you can filter on that. These are just examples - use the filter bar below to find more specific alternatives to Betterbird.
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Alternatives list

  1. Thunderbird icon

    Thunderbird

     2522 likes
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    Cross-platform email client supporting multiple identities, chat, and strong filtering. Extend functionality with add-ons like RSS/Atom feed readers and PGP support.

    87 Thunderbird alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • AppImageHub
    • Snapcraft
    • Flathub
    • PortableApps.com
    • F-Droid
    • Haiku
    • Homebrew
    • Chocolatey
    Thunderbird screenshot 1
     
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    Comments about Thunderbird as an Alternative to Betterbird
    intp
    Negative
    2

    Those looking for an alternative to BetterBird are most likely already looking for an alternative to Thunderbird

    Betterbird Icon
    Thunderbird icon

    • Thunderbird is the most popular Windows, Android, Mac & Linux alternative to Betterbird.

    • Thunderbird is the most popular Open Source & free alternative to Betterbird.

    • Thunderbird is Free and Open SourceBetterbird is also Free and Open Source
    • Thunderbird is CustomizableBetterbird is not according to our users
  2. Evolution icon

    Evolution

     205 likes
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    Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.

    69 Evolution alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Linux
    • BSD
    • Flathub
    • S/MIME
    • GNOME
    • OpenPGP
    Mail
     
  4. Microsoft Outlook icon

    Microsoft Outlook

     397 likes
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    Streamline emails, calendars, contacts, and task management with a smart inbox prioritizing critical messages. Includes calendar scheduling, third-party app integration like Facebook, Dropbox, and Trello, and support for Microsoft Exchange, Outlook.com, and Gmail, ensuring efficient task and email handling.

    126 Microsoft Outlook alternatives

    Cost / License

    • Pay once or Subscription
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    • Android Wear
    Outlook 365 on Windows
     
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    1
    Comments about Microsoft Outlook as an Alternative to Betterbird
    intp
    Negative
    1

    The advantages offered by Betterbird are absent in apps like Outlook, which doesn't even run on Linux, and isn't open-source.

    Betterbird Icon
    Microsoft Outlook icon

    • Microsoft Outlook is the most popular Web-based, iPhone & iPad alternative to Betterbird.

    • Microsoft Outlook is the most popular commercial alternative to Betterbird.

    • Microsoft Outlook is Paid and ProprietaryBetterbird is Free and Open Source
  5. Claws Mail icon

    Claws Mail

     106 likes
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    Email and news client on GTK+ foundation featuring quick performance, extensible plugins, secure protocols, advanced filtering, strong folder and contact management, lightweight design, powerful search, customizable interface, multi-language support, and encryption.

    62 Claws Mail alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Windows
    • Linux
    • BSD
    The main window
     
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