Zimbra Collaboration
self-hosted, groupware

Zimbra Collaboration is a comprehensive email, calendar, and collaboration server with a user-friendly web interface and extensive integrations. It offers a robust platform for organizations to manage their communication and collaboration needs efficiently. With Zimbra, users can access their emails, schedule meetings, and work on collaborative projects seamlessly. The platform supports various integrations, allowing users to connect with other tools and services for enhanced productivity. Whether you're a small team or a large enterprise, Zimbra Collaboration provides the tools you need to streamline communication and boost teamwork.