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Open Source Microsoft Excel Alternatives

The best open source alternative to Microsoft Office Excel is LibreOffice - Calc. If that doesn't suit you, our users have ranked more than 50 alternatives to Microsoft Office Excel and 17 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Microsoft Office Excel are Apache OpenOffice Calc, Gnumeric, EtherCalc and Framacalc.

Microsoft Office Excel alternatives are mainly Spreadsheet Apps but may also be Office Suites or Word Processors. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Microsoft Office Excel.
This page was last updated Jun 24, 2022
Microsoft Office Excel
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Microsoft Excel, part of the Microsoft Office Suite, is Microsoft's spreadsheet...

Learn more about Microsoft Office Excel

  1. LibreOffice - Calc

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    • Free • Open Source
    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    • ReactOS

    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.

    LibreOffice - Calc vs Microsoft Office Excel opinions
    Almost everyone thinks LibreOffice - Calc is a great alternative to Microsoft Office Excel.
     all • positive • negative      relevance • date
    externitoritus

    Does the same (at least what I need of it) for free.

    Top positive comment  over 5 years ago
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    15

    Highly compatible functionality

    Top positive comment  over 5 years ago
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    7
    LucaFinizio

    I've been able to do the same things that I did with Microsoft Office. The interface is very similar and easy to use.

    Positive comment • about 1 month ago
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    0
    brymda

    It looks and feels very similar to Microsoft Office Excel, but it's free, opensource, it has horizontal scrolling, feels more stable, UI a bit less polished, but it's full featured and it was super easy to migrate from Excel to Libre Calc, I'm happy that there is such a great alternative. There's possibility to open all Excel spreadsheets in Libre Calc and save Libre Cals spreadsheets in Excel format, so it's fully compatible, which is a great plus!

    Positive comment • about 2 months ago
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    0

    The only stable alternative to Excel, when you need to edit small databases : add records, copy, paste, without keeping text format, etc.

    Positive comment • over 2 years ago
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    2

    Small size of software and has all necessary functionality

    Positive comment • over 2 years ago
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    0

    It has nearly the same functions as Excel but costs 100% less. Perfect for individuals and small businesses.

    Positive comment • over 2 years ago
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    2
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    7 of 10 comments

  2. Apache OpenOffice Calc

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    • Free • Open Source
    • Mac
    • Windows
    • Linux

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

    Apache OpenOffice Calc vs Microsoft Office Excel opinions
    Almost everyone thinks Apache OpenOffice Calc is a great alternative to Microsoft Office Excel.
    martintin_916

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

    Positive comment • over 3 years ago
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    0

  4. Gnumeric

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    • Free • Open Source
    • Linux
    • PortableApps.com
    • AmigaOS
    • Xfce

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

    Gnumeric vs Microsoft Office Excel opinions
    Most users think Gnumeric is a great alternative to Microsoft Office Excel.
    yofaw78034

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

    Positive comment • almost 2 years ago
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    1

  5. EtherCalc

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    • Free • Open Source
    • Online
    • Self-Hosted
    • Cloudron

    EtherCalc is a web spreadsheet. Your data is saved on the web, and people can edit the same document at the same time. Everybody's changes are instantly reflected on all screens. Work together on inventories, survey forms, list management, brainstorming sessions and more!

    Most users think EtherCalc is a great alternative to Microsoft Office Excel.

  6. Framacalc

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    • Free • Open Source
    • Online

    Framacalc is an an online collaborative spreadsheet.

    Currently it is uses Ethercalc software that is hosted on servers of Framasoft association.

  8. SC-IM

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    • Free • Open Source
    • Mac
    • Linux
    • BSD

    SC-IM - Spreadsheet Calculator Improvised – An ncurses spreadsheet program for the terminal.

  9. 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.

  10. Luckysheet

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    • Free • Open Source
    • Self-Hosted

    Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.This site contains official configuration document, API, and tutorial.

  11. Calcpad

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    • Free • Open Source
    • Windows
    • Online

    Calcpad is a lightweight mathematical platform for cloud and desktop. It parses simple text scripts and converts them into professional Html reports. Supports complex numbers, variables, functions, graphing, units and numerical methods.

  12. Simple Spreadsheet

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    • Free • Open Source
    • Windows

    The Simple Spreadsheet is a bare-bones spreadsheet with minimal features available for free, including sources.

    Discontinued

    The project is no longer developed. Last version, 1.3, released in February 2007, can be still downloaded from SourceForge

Showing 10 of 17 alternatives