Synaplan is the open-source AI communication and knowledge platform by metadist data management GmbH. It connects cloud and local AI models with business knowledge, websites, APIs, email, WhatsApp, and MCP. Organizations can self-host Synaplan in their own infrastructure, retain control of their data, build RAG-powered AI assistants, and extend the platform through plugins. Synaplan is developed in Germany with a focus on privacy, interoperability, and practical business automation.