Best Open Source Alternatives to Google Sheets

Compare the best free and open-source alternatives to Google Sheets — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 2 alternatives

Google Sheets

Proprietary SaaS

Google Sheets alternatives compared

Open-source alternatives to Google Sheets, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Teable	21,952	AGPL-3.0	DockerLinux	Yes	Nov 2026	Visit
IronCalc	4,246	Apache-2.0	DockerLinux	Yes	Nov 2026	Visit

Top open-source Google Sheets alternatives

Teable21,952AGPL-3.0

Teable is an open-source, self-hosted Airtable alternative that pairs a collaborative spreadsheet interface with a native PostgreSQL backend.

DockerLinux

vs Google Sheets: a free, open-source option you fully control, licensed AGPL-3.0.

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EasyP

Promoted

The modern standard for Protobuf workflows

Lint, codegen, breaking-change checks and dependency management in one Git-native CLI. Open source, no registry lock-in.

lintgeneratebreakingeasyp.lock

go · ts · java generated

$ easyp breaking

backward compatible

IronCalc 4,246Apache-2.0

IronCalc is an open-source spreadsheet that replaces Excel with a private, in-browser calculation grid running locally without subscription fees.

DockerLinux

vs Google Sheets: a free, open-source option you fully control, licensed Apache-2.0.

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