Open source office projects
Every project in the registry tagged office, ranked by real GitHub adoption.
Univer is a full-stack framework for creating and editing spreadsheets / word processor / presentation on both web and server.
Go language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets
Complete office suite for documents, spreadsheets & more
Open-source office suite pack that comprises all the tools you need to work with documents, spreadsheets, presentations, PDFs, and PDF forms on Windows, Linux,
Bento, the office suite that fits in a file
Open-source document editing suite for secure collaboration
Related tags
Frequently asked questions
How many open source office projects are there?
This registry tracks 6 projects tagged office, with 65,620 GitHub stars between them. The most-adopted is univer at 22,847 stars.
Are these office projects free to use?
Yes — 5 of the 6 carry an explicit open-source licence across 4 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.
Which office project should I choose?
The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.
Are these office projects still maintained?
6 of the 6 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.