Build your own collaboration platform ONLYOFFICE Groups, free and open-source online collaboration platform Released under Apache license Get it now Create your own productivity platform to make it fit a specific industry ONLYOFFICE Groups offers a wide range of modules that you can turn on/off to suit your needs. Documents Store and organize business documentation. Share files and manage access levels for users and groups. Multi-format media player included. Learn more Take a quick screenshot tour Mail Keep your mailbox organized: connect multiple email accounts, manage and tag messages. Create signatures and make use of the template constructor. Access message history, contacts, and files from anywhere. Learn more Take a quick screenshot tour CRM A complete toolkit for sales managers: optimize your business workflow from lead generation to order fulfillment. Create reports and monitor your team's progress. Learn more Take a quick screenshot tour Projects Organize your team for success: create projects, prioritize tasks, and set deadlines. Build Gantt charts, generate reports, track time to analyze your team’s productivity, and make changes in a few clicks. Learn more Take a quick screenshot tour Calendar Manage your time wisely: create a personal or team timetable, synchronize it with third-party calendars, add different event types, and set reminders to never miss a thing. Learn more Take a quick screenshot tour Community Improve team communication: write blogs and forums, and exchange messages in chat. Create bookmarks for easy information management. Learn more Take a quick screenshot tour Use together with ONLYOFFICE Docs Create, edit, and co-author text documents, spreadsheets, and presentations stored in Documents module. Work on project documentation. Make attachments to mail messages. Organize mass mailing, and more with ONLYOFFICE Docs. Highest compatibility with MS Office formats. Learn more Customize to your needs Integration Connect your collaboration platform with external services for logging, signing, authentication, or storage. Find the apps you need Branding options Personalize your collaboration platform with built-in color themes, replace logos, titles, links. Powerful API Create custom modules and tools and easily connect them to the collaboration platform. Visit API docs Open Source It’s not just about being free of charge, it means everyone can freely contribute to the project, extend its functionality, and customize to meet their team requirements. Open on GitHub 1M+ installations 1K+ stars Easily install and configure Easy start Deploy ONLYOFFICE Groups locally using various installation options: .deb/.rpm/.exe, Docker, etc. Data security and control Two-factor authentication. Flexible access rights. Data backup and restore, logging and monitoring tools, and more. Learn more Administration Manage ONLYOFFICE Groups using an intuitive admin area. Customize and configure with ease. left right Close