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Free Microsoft 365 Alternatives

The best free alternative to Microsoft 365 is LibreOffice, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Microsoft 365 and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Microsoft 365 are Nextcloud, ONLYOFFICE, Google Docs and Google Photos.

Microsoft 365 alternatives are mainly Office Suites but may also be Word Processors or Spreadsheet Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Microsoft 365.
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Microsoft 365 iconMicrosoft 365
  30
  • Online
  • Software as a Service (SaaS)

Microsoft 365 is a subscription-based software services that licenses Microsoft Office products for on-premise or...

Learn more about Microsoft 365

  1. LibreOffice is a free and open-source office suite that is compatible with other major office suites, and is available on all operating systems. It is an independently-developed version of the OpenOffice.org suite.

    LibreOffice Writer on Linux

  2. You should have full control over your data. We help you achieve that: a safe home for all your data. Secure, under your control and developed in an open, transparent and trustworthy way. We are Nextcloud.

    Simple and powerful file sync & share
    Nextcloud vs Microsoft 365 opinions
    pros, cons and recent comments
    altenativeto

    Has a convincing onlyoffice integration. +Better data protection. Feels like 2 Years behind office but works very well in the Browser.

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    Dreadfuldark

    This is a totally different product. It is not an office suite.

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    Only comparable to one tool or service of O365.

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    -1
  4. ONLYOFFICE icon

    ONLYOFFICE

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    • Free Personal • Open Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Software as a Service (SaaS)
    • Cloudron

    ONLYOFFICE is an open-source online collaborative office combining editors for documents, spreadsheets, presentations, and forms. It is compatible with all popular formats and features maximum support for MS Office files.

    Screenshot
    ONLYOFFICE vs Microsoft 365 opinions
    pros, cons and recent comments
    altenativeto

    Probably better team functions and good integration in an environment with higher data protection standards.

    Positive comment • ago
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    Very goodcompatibility with officeXML files

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    1

  5. Google Docs is an online word processor, part of Google Drive, that lets you create and format text documents and collaborate with other people in real time. Here's what you can do with Google Docs:

    Screenshot
    Google Docs vs Microsoft 365 opinions
    pros, cons and recent comments
    tihedomecu

    Part of the google eco system. so avoid.

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  6. Google Photos is a photograph and video sharing and storage service by Google. It allows the users to store and share images and videos using the 15 GB free storage space of their Google Account or a Google One subscription.

    Screenshot

  8. Apache OpenOffice is a leading open-source office suite that offers free applications for word processing, spreadsheet, presentations, graphics, databases and more.

    Screenshot
    Apache OpenOffice vs Microsoft 365 opinions
    pros, cons and recent comments

    Office 365 is account management, office suite, storage, and more in a SaaS. OpenOffice is just a desktop office suite.

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  9. WPS Office icon

    WPS Office

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    • Freemium • Proprietary
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad

    WPS Office is a free, lightweight, feature-rich comprehensive office suite with high compatibility. Capable of handling texts in Writer, Presentation, Spreadsheet, and PDF files.

    All in one
    WPS Office vs Microsoft 365 opinions
    pros, cons and recent comments
    Tiger3000

    Ribbon interface. Good MS office file format support

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  10. SoftMaker Office is an office suite for Windows, Linux, Android, Windows Mobile, and Windows CE.

    FreeOffice 2018 PlanMaker running on Windows 10
    SoftMaker FreeOffice vs Microsoft 365 opinions
    pros, cons and recent comments
    Tiger3000

    Support MS proprietary formats quite well. Yet, FreeOffice in not an online collaboration hub linke MS Office 365, but an offline software

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  11. Office Online icon

    Office Online

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    • Free • Proprietary
    • Online
    • Microsoft Edge

    Office Online is an online office suite offered by Microsoft, which allows users an easy way to access, view, create and edit documents using lightweight, web browser-based versions of Microsoft Office applications:

  12. Calligra Suite icon

    Calligra Suite

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    • Free • Open Source
    • Mac
    • Windows
    • Linux
    • KDE
    • FreeBSD

    Calligra Suite is an office and graphic art suite by KDE. It is available for desktop PCs, tablet computers, and smartphones. It contains applications for word processing, spreadsheets, presentation, vector graphics, and editing databases.

    Screenshot
Showing 10 of 42 alternatives