Self-Hosted Microsoft 365 Copilot Alternatives

Microsoft 365 Copilot is not available as a self-hosted solution but there are some alternatives for power users and business that want to host a solution on-premise. The best Self-Hosted alternative is ONLYOFFICE, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Microsoft 365 Copilot and ten of them are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Microsoft 365 Copilot are CryptPad, ZetaOffice, Collabora Online and Kolab.

filter to find the best alternatives

Microsoft 365 Copilot alternatives are mainly Office Suites, but if you're looking for Word Processors or Spreadsheet Apps you can filter on that. Other popular filters include Open Source, Paid, Free, Android + Open Source, Windows + Free, Word Processing and Linux. 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 Microsoft 365 Copilot.
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Alternatives list

  1. ONLYOFFICE icon

    ONLYOFFICE

     678 likes

    Open-source office suite offering document, spreadsheet, and presentation editing with co-editing modes, plugin support, integration across 30+ services, robust security, and mobile access. Available in Community, Enterprise, and Home Server editions for versatile deployment.

    81 ONLYOFFICE alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • Self-Hosted
    • AppImageHub
    • Snapcraft
    • Flathub
    • Samsung Galaxy Store
    • Software as a Service (SaaS)
    • Flatpak
    • Cloudron
    OnlyOffice 9.3 Document running in Windows 11
     
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  2. CryptPad icon

    CryptPad

     186 likes

    CryptPad is a private-by-design alternative to popular office tools and cloud services. All the content stored on CryptPad is encrypted before being sent, which means nobody can access your data unless you give them the keys.

    93 CryptPad alternatives

    Cost / License

    Application types

    Platforms

    • Software as a Service (SaaS)
    • Self-Hosted
    • Cloudron
    Instance homepage
     
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    2
  4. ZetaOffice icon

    ZetaOffice

     8 likes

    Experience LibreOffice in your browser with ZetaOffice, featuring device access, self-hosting or CDN deployment, API for tailored integration, and data control. Enjoy a comprehensive suite with Writer for formatting, Calc for data analysis, and Impress for presentations, optimized for performance.

    Cost / License

    • Free
    • Open Source (MIT)

    Application types

    Platforms

    • Windows
    • Linux
    • Online
    • Self-Hosted
    • Flathub
    • Flatpak
    ZetaOffice screenshot 1
     
  5. Ad
    Screenshot
    ONLYOFFICE icon
    ONLYOFFICE

    Open-source office suite offering document, spreadsheet, and presentation editing with co-editing modes, plugin support, integration across 30+ services, robust security, and mobile access. Available in Community, Enterprise, and...

    https://www.onlyoffice.com
    Learn More
  6. Collabora Online icon

    Collabora Online

     13 likes

    Collabora Online is a powerful LibreOffice-based online office suite with collaborative editing, which supports all major document, spreadsheet and presentation file formats and works in all modern browsers.

    Cost / License

    • Paid
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Self-Hosted
    • Software as a Service (SaaS)
    • Cloudron
    With live video collaboration. Using Talk in the right side bar.
     
  7. Kolab icon

    Kolab

     43 likes

    Kolab provides a FOSS communication & collaboration solution that can be completely self-hosted. Take back control of your data and access it via the webinterface, or existing mobile & desktop clients.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Linux
    • Online
    • Self-Hosted
     
  8. Zimbra Collaboration Suite icon

    Zimbra Collaboration Suite

     35 likes

    Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.

    46 Zimbra Collaboration Suite alternatives

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Linux
    • Online
    • Self-Hosted
    Zimbra Collaboration Suite screenshot 1
     
  10. SSuite Office icon

    SSuite Office

     14 likes

    SSuite Office is the foremost provider of Free quality office software on the internet today.

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Windows
    • Linux
    • Online
    • Self-Hosted
    SSuite Office screenshot 1
     
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  11. Open365 icon

    Open365

     30 likes

    The open source cloud with LibreOffice online - LibreOffice online + Seafile + KDE. Improve your productivity and communicate better with your team members. The world is moving forward. Welcome to the open source cloud!.

    39 Open365 alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Android
    • Self-Hosted
    Open365 screenshot 1
     
  12. SmartOffice icon

    SmartOffice

     11 likes

    SmartOffice is a lightweight and easy-to-use mobile document productivity suite available as an SDK or as a mobile app. View, edit, create, print, present and share Microsoft Office and PDF documents via your mobile device.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Windows Mobile
    • Android
    • iPhone
    • Symbian S60
    • HP webOS
    • Blackberry
    • Android Tablet
    • iPad
    • Self-Hosted
    • Software as a Service (SaaS)
    SmartOffice screenshot 1
     
  13. OpenDesk icon

    OpenDesk

     Like

    OpenDesk is an open source office and collaboration suite.

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Self-Hosted
    OpenDesk screenshot 1
     
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