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OPENCTRL

Looking for a Microsoft 365 alternative?

The best Microsoft 365 alternatives

3 apps listed on OPENCTRL can replace Microsoft 365.

About Microsoft 365

Microsoft's office suite: Word, Excel, PowerPoint, Outlook and more.

www.microsoft.com

Microsoft 365 pricing

Pricing not verified

Needs technical setup

Free to use, but someone has to install it on a server first. Good if you're technical or have IT help.

  • Collabora Online

    Office Suites

    A self-hostable online office suite built on LibreOffice technology.

    • Needs technical setup
    • Community
    by Collabora ProductivityFree to self-host

  • ONLYOFFICE Docs

    Office Suites

    Self-hostable online editors for documents, spreadsheets and presentations, compatible with Microsoft Office formats.

    • Needs technical setup
    • Community
    by Ascensio System SIAFree to self-host

  • Euro-Office

    Office Suites

    A European, self-hostable office suite for documents, spreadsheets and presentations, forked from ONLYOFFICE.

    • Needs technical setup
    • Community
    by Euro-Office (Nextcloud, IONOS, Proton and partners)Free to self-host

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OPENCTRL is not affiliated with Microsoft 365. Microsoft 365 is a trademark of its owner, used here only to describe what these apps replace.