Free and open-source
ONLYOFFICE provides users with open-source, completely ad-free solutions. Our source code is listed on GitHub, ensuring transparency and reliability.
Web, desktop, mobile
With ONLYOFFICE, you can work online from any browser or OS, edit docs offline with the free desktop app for Windows, Linux, and Mac OS, or free mobile apps for Android and iOS.
Seamless online collaboration
ONLYOFFICE Docs provides users with character- and paragraph-level co-editing modes, review and track changes, version history, comments and mentions, built-in chat, plugins for audio and video calls. You can easily share your documents with flexible permissions such as commenting, reviewing, filling forms, and custom filtering.
Security
ONLYOFFICE can be deployed on your own server which gives you full control over your data. Multiple security tools and services will protect you from any threat. Private Rooms allow you to store, edit and co-author your docs in an always-encrypted form.
Docs, sheets, slides, forms, PDF
Edit and collaborate on text documents and spreadsheets of any complexity, create stunning presentations, view and annotate PDFs. Build professional-looking forms and templates from scratch or any existing DOCX file, let other users fill them out, and save forms as fillable PDF files.
AI helper
Connect any AI provider, use different AI models for different tasks. Make use of the AI assistant plugin to boost work with your texts: run word analysis and explore the meaning of unknown words, generate passages, images and keywords, summarize and translate stories, find synonyms.
Flexibility
You are free to choose how to use the online editors: as a part of the room-based environment ONLYOFFICE DocSpace, within any sync&share or ECM service like Nextcloud, Alfresco, Confluence, Seafile, etc., or integrated into the solution you’re building yourself.