Documents & office
Alternatives to Microsoft 365
Compare these candidates if you want self-hosting, data control or less dependence on Microsoft 365's hosted service. Actual costs depend on deployment and required features.
Check Office fidelity, macros, collaboration and server licensing; a presentation framework is not a slide editor.
Compare candidates
| Project | Stars | 7-day gain | Language | License | Maintenance |
|---|---|---|---|---|---|
| DocumentServer | 7,072 | +21 | Shell | AGPL-3.0 | ✅ Recently maintained |
| online | 3,387 | +8 | Shell | Review requiredReview license scope and restrictions | ✅ Recently maintained |
DocumentServer
ONLYOFFICE/DocumentServer
ONLYOFFICE Docs is a free collaborative online office suite comprising viewers and editors for texts, spreadsheets and presentations, forms and PDF, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.
Match the project description to required features, then trial migration and deployment with a small real dataset.
Repository verified · Official repository & installation
online
CollaboraOnline/online
Issue tracker only. Active development is on Gerrit at https://gerrit.collaboraoffice.com/.
Match the project description to required features, then trial migration and deployment with a small real dataset.
Repository verified · Official repository & installation
Before migrating
Check exports/imports, required features, permissions, backups, security updates and total operating cost. Candidates are not guaranteed feature-equivalent; enterprise extensions and model services may have separate terms and costs.