Self-host o-spreadsheet
20.0.5Standalone web spreadsheet with real-time collaboration
- Stars
- 297
- Requires
- Node.js
What is o-spreadsheet?
o-spreadsheet is a standalone spreadsheet component for the web built on the Owl framework. It provides all basic spreadsheet features including formulas, charts, pivot tables, conditional formatting, and data validation. The component supports real-time collaborative editing via Operational Transform with a WebSocket transport service. It can import and export Excel (.xlsx) files and is designed to be easily integrated into existing web applications as a TypeScript/JavaScript component. The project is published as an npm package (@odoo/o-spreadsheet) under LGPL-3.0-or-later license and maintained by Odoo. Users can self-host it by installing via npm, building the distribution files, and serving them with any static file server. A demo server for collaborative editing is included for development purposes.
Should you self-host o-spreadsheet?
o-spreadsheet scores 49/100 on selfhost.directory (how scoring works) and ranks #10 of 10 in Data Management. It has 297 GitHub stars.
It shipped 14 stable releases in the past year. The latest, 20.0.5, came out on 28 October 2026.
Setup is advanced: plan for several services and some ongoing maintenance. It is Other-licensed and written mostly in Typescript.
Its closest alternative on selfhost.directory is OpenBB (87/100, 74 832 stars). It scores higher overall, so compare the two before you pick. See o-spreadsheet vs OpenBB side by side.
Features
- Charts
- Conditional formatting
- Custom Functions
- Data Validation
- Excel Import/Export
- Pivot tables
- Plugin Architecture
- Real-Time Collaboration
- Spreadsheet engine
- Standalone web component
- Translation support
- TypeScript Support
o-spreadsheet README
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