Collabora Online vs 
ONLYOFFICE Docs
Compared on data, not vibes. Metrics refresh nightly; verdict links carry the math.
| Collabora Online | ONLYOFFICE Docs | |
|---|---|---|
| GitHub stars | 3,316 | 6,800 |
| Last commit | 20d ago | 20d ago |
| Latest release | 25.04.7-mobile | v9.4.0 |
| Docker pulls | — | — |
| License | MPL-2.0 | AGPL-3.0 |
| Min RAM | 2,048 MB | 4,096 MB |
| Containers | 1 | 1 |
| ARM (Pi-friendly) | yes | yes |
Collabora Online
Writer, Calc and Impress in a browser tab, on the LibreOffice engine, driven by the file app you already run.
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ONLYOFFICE Docs
The Word, Excel and PowerPoint half of an office subscription, as a server your own file app hands documents to.
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Neither page tells you which is "better" — they solve the same jobs differently. Pick by the constraint that binds you: RAM, ARM, license, or how alive the project looks.