replacing Microsoft Excel
Open Source Microsoft Excel Alternatives
Spreadsheet application — Microsoft Excel pricing: $6-$22/user/month via M365. Below: 3 free,
self-hostable open source projects that cover the same ground, ranked by real GitHub adoption.
There are 3 open source Microsoft Excel alternatives tracked on this registry, against Microsoft Excel pricing of $6-$22/user/month via M365. The most-adopted is NocoDB with 64,998 GitHub stars, written in TypeScript. Together the set has 82,745 stars across 2 languages and 1 licence. All 3 are free to self-host with no licence fee, and 3 of 3 received a commit in the last 90 days. 3 head-to-head Microsoft Excel comparisons are available.
Excel is the reference standard but requires M365 licensing. Large files get slow. Real-time collaboration requires OneDrive. No Linux support.
Our top 3 Microsoft Excel alternatives
NocoDB is a TypeScript no-code database platform that sits on top of a database and presents the underlying tables as spreadsheets. It lives in the Infrastructure & Operations / Databases category of this registry and is described by its own GitHub listing as "A Free & Self-hostable Airtable Alternative". The project ships as a Docker image, as prebuilt binaries for macOS, Linux and Windows, and through an installer script, and its topics list covers no-code-database, no-code-platform, low-code, spreadsheet, and automatic-api.
NOASSERTION · TypeScript · Microsoft Excel vs NocoDB →
Grist is a modern relational spreadsheet that combines spreadsheet flexibility with database robustness. It lives in the open-source database and spreadsheet ecosystem, and the grist-core repository provides the server needed to host spreadsheets. The project is positioned as an open alternative to Airtable and Microsoft Excel. Grist Community edition is also known as grist-core.
Apache-2.0 · TypeScript · Microsoft Excel vs Grist →
Baserow is an open-source no-code platform for building databases, applications, automations, dashboards, and AI agents. It combines a spreadsheet-style interface with a relational database backend, letting teams structure data, create internal tools, and visualize results without writing code. The project is written in Python and built on Django, Vue.js, and PostgreSQL, and it lives in the low-code and no-code ecosystem as a self-hostable alternative to Airtable and Microsoft Excel. It is distributed under an open-core model, with all non-premium and non-enterprise features licensed under the MIT License for commercial and private use.
NOASSERTION · Python · Microsoft Excel vs baserow →
last updated nightly · ranking method: github stars, live-tracked
Frequently asked questions
What is the best open source alternative to Microsoft Excel?
NocoDB is the most-starred open source alternative to Microsoft Excel in this registry, with 64,998 GitHub stars. 3 alternatives are compared here in total.
Are there free alternatives to Microsoft Excel?
Yes. Every project listed on this page is open source and free to self-host — there is no licence fee. Some projects also sell a managed hosted version, but the self-hosted path costs nothing.
What should I look at when replacing Microsoft Excel?
Compare licence terms, community size (stars), primary language and release activity. A fast-moving project with a compatible licence and an active maintainer base matters more than raw star count when you are committing to a migration.