LangGenius

Dify (by LangGenius) is an open-source LLM application development platform that combines AI workflow orchestration, RAG pipelines, agent capabilities, model management, and observability into a single production-ready platform. Its intuitive visual interface lets teams go from prototype to production quickly, supporting hundreds of proprietary and open-source LLMs. Core capabilities include a visual workflow canvas, comprehensive RAG pipeline, AI agent definition via LLM Function Calling or ReAct, a Prompt IDE, LLMOps monitoring, and a Backend-as-a-Service API layer. Available as cloud-hosted or self-hosted community edition, with enterprise plans for additional security and compliance. The flagship open-source repository has over 136,000 GitHub stars.