Open Source Zoho Alternatives

    The best open source alternative to Zoho is ONLYOFFICE, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Zoho and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Zoho are CryptPad (Freemium, Open Source), Calligra Suite (Free, Open Source), Airborn (Freemium, Open Source) and Open365 (Free, Open Source).

    This page was last updated Sep 6, 2021

    1. ONLYOFFICE is an opensource office and productivity suite that enables you to manage documents, ONLYOFFICE Projects, team and customer relations in one place.
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    2. 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.
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    3. 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.
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    4. Create and edit documents online without sacrificing your privacy.
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      • FreeOpen Source
      • Android
      • Self-Hosted
      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!.

      Discontinued

      The project seems to be no longer developed. Last commit on the GitHub repo was made on June 27th, 2016, but it can be still downloaded and installed.

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    5. Self-hosted note-taking app stored on S3. Notea is a privacy-first, open-source note-taking application. It supports Markdown syntax, sharing, responsive and more. Why you’ll love Notea Self-hosted
    6. 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.
    7. WikiSuite™ is especially suited to knowledge-centric organizations and offers most (80%+) of the data and information management features all organizations need.
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    8. Fidus Writer is an online collaborative LaTeX editor especially made for academics who need to use citations and/or formulas.
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    9. Sentrifugo is an Open Source HRMS Tool which can be easily configured to meet your organizational needs. It's completely FREE and has no hidden costs! Sentrifugo offers you a bundle of exceptional features and modules for managing your HR processes.
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    Showing 10 of 20 alternatives