Open Source Alternatives to Microsoft Excel

A spreadsheet application that provides tools for data organization, analysis, and calculation. It is available as a desktop app for PCs and Macs, as well as on tablets and phones. The software is used for managing work projects and personal plans, and it integrates with Microsoft Copilot for AI assistance. It is deployed either as a one-time purchase or as part of a Microsoft 365 subscription that includes cloud storage and real-time collaboration features.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Microsoft Excel give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 2 open source alternatives to Microsoft Excel. The most popular are Grist and IronCalc. Most use the Apache-2.0 license, and 2 offer an official Docker image.