The best open source alternative to Google Sheets is LibreOffice. If that doesn't suit you, our users have ranked more than 100 alternatives to Google Sheets and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Google Sheets are ONLYOFFICE, LibreOffice - Calc, CryptPad and Proton Sheets.
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.
Comprehensive free office suite supporting word processing, advanced spreadsheets, dynamic presentations, vector drawings, math formulas, and robust database management. Fully compatible with major office formats across all operating systems, it offers extensive capabilities for personal or professional tasks.
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.
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.
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 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.
Baserow is the secure, open-source platform for building databases, applications, automations, and AI agents — all without code. Trusted by over 150,000 users, Baserow delivers enterprise-grade security with GDPR, HIPAA, and SOC 2 Type II compliance, plus cloud and self-hosted...
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!
The democratization of spreadsheets. Empowering everyone with advanced, open-source spreadsheet solutions.
The Gnumeric spreadsheet is part of the GNOME desktop environment: a project to create a free, user friendly desktop environment.
Calc, part of the Apache OpenOffice suite, is a spreadsheet application. It is similar to Microsoft Excel , with a roughly equivalent range of features.
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It doesn't have the same online cloud type