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Open Source Zoho Alternatives

The best open source alternative to Zoho is LibreOffice. If that doesn't suit you, our users have ranked more than 25 alternatives to Zoho and 11 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Zoho are ONLYOFFICE, Apache OpenOffice, CryptPad and Calligra Suite.

Zoho 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 Zoho.
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Zoho iconZoho
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  • Online

Zoho is an all-in-one online office suite. Zoho gears itself towards businesses, increasing your productivity and offering...

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  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.

    ⚫︎ Works OfflineLibreOffice can be used without the need to connect to the internet.
    ⚫︎ Extensible by Plugins/ExtensionsLibreOffice can be extended with add-ons, plugins and extensions.
    ⚫︎ CustomizableLibreOffice is easy to customize with themes or similar features.
    ⚫︎ Spell CheckingLibreOffice can detect and correct all types of grammar and spelling mistakes.
    ⚫︎ PortableLibreOffice can be used from a USB stick or similar with no prior installation.
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    LibreOffice Writer on Linux
  2. ONLYOFFICE icon

    ONLYOFFICE

    • Free PersonalOpen 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.

    ⚫︎ Works OfflineONLYOFFICE can be used without the need to connect to the internet.
    ⚫︎ Real time collaborationMultiple users can work together in ONLYOFFICE simultaneously.
    ⚫︎ PortableONLYOFFICE can be used from a USB stick or similar with no prior installation.
    ⚫︎ End-to-End EncryptionONLYOFFICE has E2E Encryption, for entire or parts of the app.
    ⚫︎ Dark ModeONLYOFFICE supports dark mode for comfortable usage in low light conditions.
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    Screenshot


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

    ⚫︎ PortableApache OpenOffice can be used from a USB stick or similar with no prior installation.
    ⚫︎ Syntax HighlightingApache OpenOffice supports syntax highlighting for various programming and markup languages.
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    Screenshot
  4. 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.

    ⚫︎ End-to-End EncryptionCryptPad has E2E Encryption, for entire or parts of the app.
    ⚫︎ Real time collaborationMultiple users can work together in CryptPad simultaneously.
    ⚫︎ No registration requiredYou can use most of the features in CryptPad without registration.
    ⚫︎ Privacy focusedCryptPad is considered a privacy friendly alternative.
    ⚫︎ No TrackingCryptPad will not track or use your personal data.
    ⚫︎ Support for MarkDownCryptPad supports MarkDown for document formatting.
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    Instance homepage
  5. Calligra Suite icon

    Calligra Suite

    • FreeOpen 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.

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    Screenshot


  6. The enterprise-ready edition of LibreOffice provides you the powerful on-premise office suites, that enable you to access documents, author new content and work collaboratively. For Windows, macOS, Linux, Android, iOS and Chrome OS.

    ⚫︎ Works OfflineCollabora Office can be used without the need to connect to the internet.
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    Screenshot
  7. Collabora Online icon

    Collabora Online

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Self-Hosted
    • Software as a Service (SaaS)

    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.

    ⚫︎ Privacy focusedCollabora Online is considered a privacy friendly alternative.
    ⚫︎ Real time collaborationMultiple users can work together in Collabora Online simultaneously.
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    With live video collaboration. Using Talk in the right side bar.
  8. Open365 icon

    Open365

    • 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!.

    ⚫︎ Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
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    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.

    Screenshot
  9. NeoOffice icon

    NeoOffice

    • FreeOpen Source
    • Mac

    NeoOffice is an office suite for Mac that is based on OpenOffice and LibreOffice. With NeoOffice, you can view, edit, and save OpenOffice documents, LibreOffice documents, and simple Microsoft Word, Excel, and PowerPoint documents.

    ⚫︎ Dark ModeNeoOffice supports dark mode for comfortable usage in low light conditions.
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    Screenshot
  10. Office Reader icon

    Office Reader

    • FreeOpen Source
    • Symbian S60

    Office Reader is a free office suite for view documents in OpenDocument file format (*.odt, *.ods, *.odp) on Symbian S60 9.x / UIQ 3.x based smartphones.

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    Discontinued

    The project is no longer updated. Last versions of the program can be still downloaded from the official website.

    Screenshot
Showing 10 of 11 alternatives