The Best Open Source Microsoft Excel AlternativesTop Spreadsheet Apps like Microsoft Excel

The best open source alternative to Microsoft Excel is LibreOffice - Calc. If that doesn't suit you, our users have ranked more than 100 alternatives to Microsoft Excel and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Microsoft Excel are ONLYOFFICE, Apache OpenOffice, Gnumeric and Collabora Office.

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Microsoft Excel alternatives are mainly Spreadsheet Apps, but if you're looking for Office Suites or Word Processors you can filter on that. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Microsoft Excel.
Microsoft Excel iconMicrosoft Excel
  526
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Microsoft Excel, part of the Microsoft 365 Copilot, is Microsoft's spreadsheet application. With the Microsoft Office Fluent user interface, rich data visualization, pivot table...

More about Microsoft Excel
More about Microsoft Excel
Microsoft Excel alternatives page was last updated May 20, 2025
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  1. Grist icon

    Grist

    Sponsored

    Open-source tool merges spreadsheets, databases, and app-building. Offers a spreadsheet interface, Python engines, real-time collaboration, and cell-level security controls. Choose cloud or self-hosting to maintain data ownership, free team account offers available.

    37 Grist alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Software as a Service (SaaS)
    Grist screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Cross-references
    2.  Excel formulas
    3.  REST API
    4.  Database Management Tool
    5.  Form Builder
    6.  Import CSV Data
    7.  Linking capability
    8.  Real time collaboration
    9.  Export to CSV
    10.  Ad-free
    11.  Dockerized
    12.  Portable
  2. LibreOffice - Calc icon

    LibreOffice - Calc

     582 likes
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    LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.org Calc, professional data miners and number crunchers will appreciate its comprehensive range of advanced functions.

    62 LibreOffice - Calc alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    • ReactOS
    • Flathub
    LibreOffice - Calc screenshot 1

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Data export/import
    2.  Graph editing
    3.  Import CSV Data
    4.  Export to Google Spreadsheets
    5.  Portable
    6.  Ad-free
    7.  No registration required
    8.  Works Offline
    9.  Extensible by Plugins/Extensions
    10.  Password safe
    11.  Dark Mode
    12.  No Tracking

    LibreOffice - Calc VS Microsoft Excel

     
    Comments about LibreOffice - Calc as an Alternative to Microsoft Excel
    Comment summary: LibreOffice Calc is praised for being open-source, free, and offering cross-platform support on Windows, macOS, and Linux. It is noted for compatibility with Microsoft Excel formats, making collaboration easier. Some users appreciate its user-friendly interface and stability, despite a slightly less polished UI compared to Excel. The software is seen as a cost-effective choice for individuals and small businesses, offering nearly the same functions as Excel. However, one user criticized it for not being intuitive or user-friendly.
    Top Positive Comment
    Guest
    Mar 19, 2017
    8

    Highly compatible functionality

    Most Recent Comment
    Slavana joker
    Positive Mar 24, 2023
    -1

    Price: LibreOffice is open-source software and completely free to use, whereas Microsoft Office requires a subscription or one-time purchase.

    Compatibility: LibreOffice Calc can open and save files in a variety of formats, including Microsoft Excel formats, making it easier to collaborate with colleagues who use Excel.

    Cross-platform support: LibreOffice Calc runs on multiple operating systems, including Windows, macOS, and Linux, while Microsoft Excel is only available for Windows and macOS.

    Guest
    Positive Oct 29, 2022
    0

    not only open source also user friendly in many areas fan of libre

    Show more comments
    3 of 11 comments
    Microsoft Excel Icon
    LibreOffice - Calc icon

    • Almost everyone thinks LibreOffice - Calc is a great Microsoft Excel alternative.

    • LibreOffice - Calc is the most popular Windows, Mac & Linux alternative to Microsoft Excel.

    • LibreOffice - Calc is the most popular Open Source & free alternative to Microsoft Excel.

    • LibreOffice - Calc is Free and Open SourceMicrosoft Excel is Paid and Proprietary
    • LibreOffice - Calc is Privacy focusedMicrosoft Excel is not according to our users
  4. ONLYOFFICE icon

    ONLYOFFICE

     572 likes
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    Open-source office suite offering document, spreadsheet, and presentation editing with co-editing modes, plugin support, integration across 30+ services, robust security, and mobile access. Available in Community, Enterprise, and Home Server editions for versatile deployment.

    71 ONLYOFFICE alternatives

    License model

    • Free Personal • Open Source

    Application types

    Country of Origin

    • LV flagLatvia
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • Self-Hosted
    • AppImageHub
    • Snapcraft
    • Flathub
    • Samsung Galaxy Store
    • Software as a Service (SaaS)
    • Flatpak
    • Cloudron
    ONLYOFFICE screenshot 1

    Properties

    1.  Privacy focused

    Features

    1. Microsoft 365 Copilot icon  Compatible with Microsoft Office
    2.  Works Offline
    3.  Real time collaboration
    4.  Tabbed interface
    5. Nextcloud icon  Nextcloud integration
    6.  Team Collaboration
    7.  Export to PDF
    8.  Multiple languages
    9.  Ad-free
    10.  Dark Mode
    11.  Spell Checking
    12.  Cloud based

    ONLYOFFICE VS Microsoft Excel

     
    Comments about ONLYOFFICE as an Alternative to Microsoft Excel
    Alternative Software
    Positive Mar 27, 2025
    0

    Very easy to use and has a familiar interface. It’s much better than LibreOffice for both compatibility with MS Excel and its overall design. All of the formulas that I use in MS Excel work in ONLYOFFICE.

    Guest
    Negative Jan 17, 2024
    0

    It doesen't support xlsm and xlsb files

    Microsoft Excel Icon
    ONLYOFFICE icon

    • Most users think ONLYOFFICE is a great Microsoft Excel alternative.

    • ONLYOFFICE is the most popular Web-based, Android, iPhone, iPad, SaaS, Android Tablet & Self-Hosted alternative to Microsoft Excel.

    • ONLYOFFICE is Free Personal and Open SourceMicrosoft Excel is Paid and Proprietary
  5. Ad
    Screenshot
    Grist icon
    Grist

    Open-source tool merges spreadsheets, databases, and app-building. Offers a spreadsheet interface, Python engines, real-time collaboration, and cell-level security controls. Choose cloud or self-hosting to maintain data ownership...

    https://www.getgrist.com
    Learn More
  6. Apache OpenOffice icon

    Apache OpenOffice

     804 likes
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    Apache OpenOffice is a leading open-source office suite that offers free applications for word processing, spreadsheet, presentations, graphics, databases and more. All data is stored in an open standard format, though Open Office can also read and write files from other common...

    56 Apache OpenOffice alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    Apache OpenOffice screenshot 1
    Discontinued

    Last major release was in 2014

    Apache OpenOffice Features

    1. Microsoft 365 Copilot icon  Compatible with Microsoft Office
    2.  Built-in PDF converter
    3.  Portable
    4.  Syntax Highlighting
    5.  Works Offline
    6.  Custom templates
    7.  Export to PDF

    Apache OpenOffice VS Microsoft Excel

     
  7. Gnumeric icon

    Gnumeric

     86 likes
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    The Gnumeric spreadsheet is part of the GNOME desktop environment: a project to create a free, user friendly desktop environment.

    48 Gnumeric alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Linux
    • PortableApps.com
    • AmigaOS
    • GNOME
    • Flathub
    Gnumeric Splash

    Properties

    1.  Optimal performance

    Features

    1.  No registration required
    2.  No Tracking
    3.  Dark Mode
    4.  Ad-free
    5.  Works Offline
    6.  Import CSV Data
    7.  Small-footprint

    Gnumeric VS Microsoft Excel

     
    Comments about Gnumeric as an Alternative to Microsoft Excel
    yofaw78034
    Positive Jul 6, 2020
    1

    Fast, great functionality. Great performance when pasting or applying formulas to entire columns, with smaller file size.

    Microsoft Excel Icon
    Gnumeric icon

    • Most users think Gnumeric is a great Microsoft Excel alternative.

    • Gnumeric is Free and Open SourceMicrosoft Excel is Paid and Proprietary
  8. Collabora Office icon

    Collabora Office

     51 likes
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    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.

    35 Collabora Office alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Self-Hosted
    • Software as a Service (SaaS)
    • Cloudron
    Collabora Office screenshot 1

    Top Collabora Office Features

    1.  Ad-free
    2.  Works Offline
    3.  Convert Word documents to PDF
    4.  Convert Excel to PDF document
    5.  Dark Mode
    6.  No registration required
    7.  No Tracking
    8.  GPU Acceleration
    9.  Support for Multiple threads
    10.  Online Editing
    11.  Multiple languages
    12.  Built-in PDF converter

    Collabora Office VS Microsoft Excel

     
    Comments about Collabora Office as an Alternative to Microsoft Excel
    HAK3R4LIFE
    Negative May 20, 2025
    0

    The only android alternative to microsoft excel, except the "freemium license" being paired with "open source" is stupid in my opinion

    Microsoft Excel Icon
    Collabora Office icon
    • Collabora Office is Freemium and Open SourceMicrosoft Excel is Paid and Proprietary
  10. Apache OpenOffice Calc icon

    Apache OpenOffice Calc

     121 likes
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    Calc, part of the Apache OpenOffice suite, is a spreadsheet application. It is similar to Microsoft Excel , with a roughly equivalent range of features.

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    Main UI in Win XP

    Apache OpenOffice Calc Features

    1.  Works Offline
    2.  Import CSV Data

    Apache OpenOffice Calc VS Microsoft Excel

     
    Comments about Apache OpenOffice Calc as an Alternative to Microsoft Excel
    Martin Martin
    Positive Mar 5, 2019
    -2

    It's comprehensive, often updated and it is free.

    Microsoft Excel Icon
    Apache OpenOffice Calc icon

    • Almost everyone thinks Apache OpenOffice Calc is a great Microsoft Excel alternative.

    • Apache OpenOffice Calc is Free and Open SourceMicrosoft Excel is Paid and Proprietary
  11. Grist icon

    Grist

     41 likes
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    Open-source tool merges spreadsheets, databases, and app-building. Offers a spreadsheet interface, Python engines, real-time collaboration, and cell-level security controls. Choose cloud or self-hosting to maintain data ownership, free team account offers available.

    37 Grist alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Software as a Service (SaaS)
    Grist screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Cross-references
    2.  Excel formulas
    3.  REST API
    4.  Database Management Tool
    5.  Form Builder
    6.  Import CSV Data
    7.  Linking capability
    8.  Real time collaboration
    9.  Export to CSV
    10.  Ad-free
    11.  Dockerized
    12.  Portable

    Grist VS Microsoft Excel

     
8 of 29 Microsoft Excel alternatives