Onlyoffice
App in the BluixApps catalog
What it is
OnlyOffice Document Server is a collaborative office suite engine — real-time co-editing of documents, spreadsheets, presentations with full Microsoft Office compatibility. Embeds in Nextcloud, Seafile, Confluence, Moodle, or runs standalone. The OSS competitor to Microsoft 365 for collaborative document editing.
For self-hosters running Nextcloud or building doc-collab into their app, OnlyOffice is the leading OSS embeddable editor.
What it's for
- Document collaboration — real-time co-editing
- MS Office compatibility — read/write DOCX, XLSX, PPTX
- Nextcloud integration — primary document editor for Nextcloud
- Embedded editing — embed in your own apps
- Format conversion — DOCX → PDF, etc.
Who it's for
- Nextcloud users wanting real document editing
- Privacy-bound orgs rejecting Microsoft 365 / Google Workspace
- Education providing students collaborative editing
- App developers embedding doc editor in their products
- Multi-tenant SaaS offering doc-editing as feature
Why teams pick OnlyOffice over alternatives
- AGPLv3 (Community) — fully open
- MS Office compatibility — best in OSS at DOCX/XLSX/PPTX
- Real-time collaboration — multi-cursor editing
- Embeddable — iframe API for integration
- Active development — backed by Ascensio (Latvia)
- Strong Nextcloud integration — official Nextcloud app
Integrations
- Nextcloud — official integration app
- Seafile / ownCloud / Alfresco — official connectors
- Confluence / SharePoint — enterprise connectors
- Moodle / Chamilo — LMS integration
- API — REST API for document conversion
- WebView clients — embed in any HTML
- Mobile editors — iOS + Android (separate apps)
Notable users & community
- 5k+ GitHub stars (DocumentServer)
- Used by EU institutions, schools, SMBs worldwide
- Backed by Ascensio System SIA (LV)
- Featured in M365-alternative roundups
- Strong release cadence
Tips & operations
- Resource-heavy — Document Server needs 4+ GB RAM for 5-10 concurrent users
- JWT auth essential — without it, anyone with the iframe URL can edit any doc
- Persistent volume — document cache + config
- Mind concurrent edits limit — Community Edition has limit (20 concurrent); Enterprise unlimited
- Backup config + cache — both meaningful
- Pair with Nextcloud — most common deployment pattern
What we ship in BluixApps
- Docker compose: OnlyOffice Document Server
- Pinned
onlyoffice/documentserver:8.2(release-tagged) - HTTPS via Let's Encrypt
- JWT secret auto-generated for security
- Persistent volumes for cache + config
- Auto-detection of Nextcloud on same VPS for instant integration
- Backup hook covers cache + config
Get this app — pick a BluixApps plan
Same catalog. Scaling tenant isolation, white-label and support tier.
| Tier | Tenants | Catalog | Support | White-label | Monthly | |
|---|---|---|---|---|---|---|
| Stacks | 1 | 19 curated stacks | Standard | — | $19/mo | DetailDeploy |
| Starter | 10 | Full catalog | Standard | +$15–25/mo | $49/mo | DetailDeploy |
| Pro | 25 | Full catalog | Priority bugfix | +$15–25/mo | $149/mo | DetailDeploy |
| Growth | 100 | Full catalog | Priority bugfix | +$15–25/mo | $349/mo | DetailDeploy |
| Scale | 500 | Full catalog | 7-day window | +$15–25/mo | $799/mo | DetailDeploy |
| Enterprise | Unlimited | Full catalog | Priority 7-day | Bundled | $1,499/mo | DetailDeploy |