Open-source office documents
Replacing: Google Docs, Microsoft Office
| Project | What it is | Stars | Last release | Replaces |
|---|---|---|---|---|
| Etherpad Active Apache-2.0 | Etherpad: A modern really-real-time collaborative document editor. | 18.6k | Oct 28, 2026 | Google Docs |
| CryptPad Active AGPL-3.0 | Collaborative office suite, end-to-end encrypted and open-source. | 8.0k | Oct 21, 2026 | Google Docs, Microsoft Office |
| ONLYOFFICE Docs Active AGPL-3.0 | An online office suite for text documents, spreadsheets, presentations and PDFs, compatible with Microsoft Office files. | 7.1k | Oct 22, 2026 | Google Docs, Microsoft Office |
| ONLYOFFICE Desktop Editors Active AGPL-3.0 | A free desktop office suite for documents, spreadsheets, presentations and PDFs, built for Microsoft Office file compatibility. | 5.7k | Oct 22, 2026 | Microsoft Office |
| LibreOffice Active GPL-3.0 | LibreOffice, the free desktop office suite (Writer, Calc, Impress and more). This GitHub repo is a read-only mirror; development happens on Gerrit. | 4.6k | Oct 27, 2026 | Google Docs, Microsoft Office |
| Collabora Online Active Mixed or custom | A LibreOffice-based office suite that runs in the browser, often paired with Nextcloud or another file platform. Development happens on Gerrit; GitHub hosts its issue tracker. | 3.4k | Oct 23, 2026 | Microsoft Office |
| Calligra Active GPL-2.0 | KDE's office and graphics suite, with a word processor, spreadsheets and presentations. The GitHub repo mirrors KDE's own servers. | 210 | Oct 8, 2026 | Microsoft Office |