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, Proton Sheets and Collabora Office Classic.
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.
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.
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.
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...
End-to-end encrypted spreadsheets enabling secure business data management, real-time collaboration with access controls, data analysis with automatic functions and visual tools, integration with cloud storage, and cross-device workspace access for teams.
On-premise office suite featuring advanced word processing, spreadsheets, and presentations, unmatched compatibility with 100+ formats, OOXML support, six-month updates, enterprise hardening, Visio and Publisher import, PDF export, and support for 50+ languages.
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.
Calc, part of the Apache OpenOffice suite, is a spreadsheet application. It is similar to Microsoft Excel , with a roughly equivalent range of features.
The Gnumeric spreadsheet is part of the GNOME desktop environment: a project to create a free, user friendly desktop environment.
Calligra Suite is an office and graphic art suite by KDE. It contains applications for word processing, spreadsheets, presentation, vector graphics, and editing databases.
The democratization of spreadsheets. Empowering everyone with advanced, open-source spreadsheet solutions.
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!
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.
United States
Germany
EU
Latvia
Switzerland
United Kingdom
Highly compatible functionality