Software Alternatives, Accelerators & Startups

Open365

The open source cloud with LibreOffice online - LibreOffice online + Seafile + KDE.

Open365

Open365 Alternatives & Competitors

The best Open365 alternatives based on verified products, community votes, reviews and other factors.
Filter: 6 Open-Source Alternatives.

  1. ONLYOFFICE is a complete office and productivity suite.

    Key ONLYOFFICE features:

    Compatibility Collaboration Cross-Platform Integrations

    /onlyoffice-alternatives
  2. Free office suite, open source, and compatible with .doc, .docx, .xls, .xlsx, .ppt, .pptx files. Updated regularly – download for free. Originally based on OpenOffice.org.

    Key LibreOffice features:

    Free and Open Source Cross-Platform Compatibility Strong Community Support Compatibility with Multiple File Formats

    Open Source

    /libreoffice-alternatives
  3. Setuply: Transform Clients into Brand Advocates. An AI-powered, purpose-built platform for client onboarding and lifecycle management, helping B2B teams accelerate revenue recognition, boost retention, and scale operations with confidence.

    Key Setuply features:

    Project Management Case Management Secure Data Staging Client Impact Control Panel

    Visit website

    Visit website
  4. Would you need Office Word, Excel or PowerPoint for Home, business or School? WPS.com would give you right version for you.

    Key WPS Office features:

    Cost Compatibility User Interface Cross-platform Availability

    /wps-office-alternatives
  5. Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online.

    Key Microsoft 365 features:

    Accessibility Automatic Updates Integrated Productivity Tools Cloud Storage

    /microsoft-365-alternatives
  6. SoftMaker Office is an office suite for Windows, Linux, Android, Windows Mobile, and Windows CE.

    Key SoftMaker FreeOffice features:

    Cost Compatibility Cross-Platform Support User Interface

    /softmaker-freeoffice-alternatives
  7. Apache OpenOffice is an open source, office document productivity suite.

    Key Apache OpenOffice features:

    Cost Compatibility Open-Source Cross-Platform

    Open Source

    /apache-openoffice-alternatives
  8. Zoho is an all-in-one online office suite.

    Key Zoho One features:

    Integrated Suite Cost-Effective Flexible Pricing Ease of Use

    /zoho-one-alternatives
  9. With Office Online you can view, edit, and share Word, Excel, PowerPoint, and OneNote files on your devices using a web browser, so you can work anywhere.

    Key Office Online features:

    Accessibility Cost Collaboration Integration

    /office-online-alternatives
  10. Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

    Key Thunderbird features:

    Free and Open Source Customization Cross-Platform Robust Security

    /thunderbird-alternatives
  11. CryptPad is a collaborative office suite that is end-to-end encrypted and open-source.

    Key CryptPad features:

    End-to-end encryption Fully open source Real-time collaboraton

    Open Source freemium €5.0 / Monthly (Personal 5GB)

    /cryptpad-alternatives
  12. OfficeSuite offers office productivity tools like documents, spreadsheets, presentations and PDFs across all the devices.

    Key OfficeSuite features:

    Cross-Platform Compatibility Comprehensive Office Suite User-Friendly Interface Cloud Integration

    /officesuite-alternatives
  13. Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

    Key Microsoft Outlook features:

    Integration with Microsoft Ecosystem Calendar and Task Management Strong Security Features Customizable Interface

    /microsoft-outlook-alternatives
  14. iWork is an office suite by Apple.

    Key Apple iWork features:

    Seamless Integration User-Friendly Interface Free for Apple Users Rich Templates

    /apple-iwork-alternatives
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