Rocket.Chat is a modern, open-source communication and collaboration platform that empowers teams to connect securely and efficiently in real time. It combines rich messaging, voice and video calls, file sharing, and collaboration tools into one unified workspace - with support for group channels, direct messages, threads, and integrations with external systems. Designed for flexibility and data sovereignty, Rocket.Chat can be deployed as a self-hosted solution, in private cloud environments, or via managed services, giving organizations full control over their data and infrastructure. The platform includes robust security and compliance features such as end-to-end encryption, role-based access controls, and extensive audit logging, making it suitable for both everyday team communication and mission-critical enterprise use cases. With customizable workflows, omnichannel support, and a vibrant open-source community, Rocket.Chat adapts to the needs of businesses, governments, and customer-facing operations across sectors.