OnlyOffice, stylized as ONLYOFFICE, is a free software office suite developed by Ascensio System SIA, a company headquartered in Riga, Latvia.

Free desktop application for Windows, Linux, and macOS for offline document editing. Supports text documents, spreadsheets, presentations, PDF files, and fillable forms. Available for free download with no paid tiers.

Paid cloud tier of OnlyOffice DocSpace for teams. Priced per admin per month. Includes unlimited users, guests, and rooms; 250 GB storage per admin; SSO; branding; professional support; 2 backups per month; data recovery; audit trail; third-party integrations.

On-premise developer/OEM edition of OnlyOffice DocSpace for embedding into third-party SaaS or on-premise solutions. Supports white label branding, multi-tenancy, disaster recovery, and multi-server deployment. Custom pricing.

On-premise enterprise tier of OnlyOffice DocSpace. Priced per simultaneous connections (custom quote). Includes unlimited admins, users, guests, and rooms; unlimited storage; branding; SSO; multi-space management; enterprise-level support with SLA.

Non-commercial on-premise lifetime license for DocSpace. Priced at $330 for 5 users. Includes room-based file storage, online editors, desktop and mobile apps, enhanced security features, and 1 year of updates.

Free cloud tier of OnlyOffice DocSpace for small teams. Includes up to 3 admins, unlimited users and guests, up to 12 rooms, and 2 GB of file storage. Community support only.

Developer/OEM edition of OnlyOffice Docs for embedding into third-party SaaS or on-premise solutions. Priced per simultaneous connections (production license). Key SKUs: OODE-250 ($9,100/year), Extended Functionality ($9,100/year), Automation API ($6,000/year).

Enterprise-grade online document editing server for businesses. Priced per simultaneous connections. Includes online editors for text documents, spreadsheets, presentations, forms, and PDFs; mobile web editors; ready-to-use connectors; desktop and mobile apps; enhanced security features; professional support. Starting from $1,500.

Non-commercial on-premise lifetime license for OnlyOffice Docs. Priced at $149 for 10 users. Includes online editors for text documents, spreadsheets, presentations, forms, and PDFs; mobile web editors; 1 year of updates.

On-premise enterprise tier of OnlyOffice Workspace. Lifetime license, priced per server (custom quote). Includes ONLYOFFICE Docs with mobile web editors, Private Rooms, 1 year of updates and support, Basic support (48h response, 5 requests).

On-premise enterprise plus tier of OnlyOffice Workspace. Lifetime license, priced per server (custom quote). Includes ONLYOFFICE Docs with mobile web editors, Private Rooms, 1 year of updates and support, Plus support (24h response, 10 requests).

On-premise enterprise premium tier of OnlyOffice Workspace. Lifetime license, priced per server (custom quote). Includes ONLYOFFICE Docs with mobile web editors, Private Rooms, 1 year of updates and support, Premium support (12h response, 20 requests), monitoring system and clustering support.