Ascensio System SIA says they have opened the source code of its ONLYOFFICE Desktop Editors, presenting a free and open source alternative to Microsoft Office for macOS.

ONLYOFFICE Desktop Editors is an office suite that combines text, spreadsheet and presentation editors, allowing anyone to create, view and edit documents offline. Being fully compatible with MS Office, the editors support all the popular document formats, including ODF.

The app features allows users to edit complex documents as well as switch to online mode and collaborate on documents with colleagues or teammates. The collaborating features include real-time co-editing in two modes, reviewing and tracking changes, commenting, built-in chat. The editors also support connecting third-party plugins. Developers can use these plugins to add specific functions they need to the editors.

ONLYOFFICE Desktop Editors works with macOS 10.10 or higher. Version ONLYOFFICE 4.1.1 is now free and available worldwide. The office suite is available under AGPL license v3. This means you're able to download and use ONLYOFFICE Desktop Editors without any restrictions. The application can be downloaded from the official website (https://www.onlyoffice.com), and the source code is available on GitHub (http://tinyurl.com/zx8o84t).