Thunderbird AlternativesOnly apps categorised as Team Collaboration Tools

The best Team Collaboration alternative to Thunderbird is Spike, which is free. If that doesn't suit you, our users have ranked more than 50 alternatives to Thunderbird and three of them are Team Collaboration Tools so hopefully you can find a suitable replacement. Other interesting Team Collaboration Tool alternatives to Thunderbird are Missive and Macro.

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Thunderbird alternatives are mainly Email Clients, but if you're looking for Team Collaboration Tools or Video Calling Apps you can filter on that. Other popular filters include Linux, Open Source, iPhone, Kindle Fire, Windows, Mac and Android. 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. Spike icon

    Spike

     36 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.

    65 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
    • IL flagIsrael
    One powerful space for all your work needs—get email, chat, notes, tasks, calendar and audio/video calls all from your inbox
    Good alternative?
     
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  2. Missive icon

    Missive

     16 likes

    Collaborative email and threaded group chat for productive teams. A single app for all your internal and external communication.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • CA flagCanada
    The perfect shared inbox!
    Good alternative?
     
  4. Macro icon

    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

    Application type

    Platforms

    • Online
    • iPhone
    • US flagUnited States
    Main landing page on Macro
    Good alternative?
     
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