ONLYOFFICE Docs is an open-source office suite. It comprises web-based viewers and collaborative editors for text documents, spreadsheets, and presentations highly compatible with OOXML formats.You can integrate ONLYOFFICE with any cloud service in two different ways: (1) Using the ONLYOFFICE integration API, or (2) using WOPI (Web Application Open Platform Interface) protocol.In this session we’ll find out how it all works and discuss the difference between these options.With self-hosted ONLYOFFICE Docs, users get the most secure way to collaborate on documents. HTTPS encrypts traffic, JWT protects files from unauthorized access. It’s possible to restrict copying, downloading, and printing, enable watermarking, E2EE, password protection, and e-signatures.The suite can be integrated with various cloud storage services such as Nextcloud, ownCloud, Seafile, Alfresco, Confluence, Plone, etc., as well as embedded into your own solution.