Dify

Dify is an open-source platform for developing AI applications using large language models. It provides a visual workflow builder for creating AI agents, RAG pipelines, chatbots, and automation chains without extensive coding. Features include prompt management, model switching across providers (OpenAI, Claude, Llama, etc.), knowledge base integration, and built-in observability. It can be self-hosted or used via their cloud offering, making it accessible to both developers and non-technical teams.