ONLYOFFICE is an international open-source project, with employees and volunteer contributors from all over the world. It includes two main products: 1) ONLYOFFICE Docs, collaborative online editors for documents, spreadsheets, presentations, forms, PDFs and diagrams. 2) ONLYOFFICE DocSpace, an collaborative platform based on rooms, which are special spaces with predefined permissions where users can invite others and collaborate on documents, spreadsheets, presentations, forms and PDFs.