Dify

Dify is an open-source platform for building AI-powered applications with a visual workflow editor. It provides a no-code/low-code interface for creating chatbots, agents, and workflow automations powered by Claude, GPT-4, and other models. Dify bridges the gap between AI capabilities and business applications by making it possible for non-developers to build sophisticated AI workflows.

Dify's visual workflow editor allows users to design complex AI pipelines by connecting nodes — each node represents an action like 'query Claude,' 'search a database,' 'call an API,' or 'transform data.' This visual approach makes it possible to build multi-step AI applications without writing code, while still allowing developers to extend the platform with custom code when needed.

The platform includes built-in RAG capabilities, prompt management, model fine-tuning interfaces, and observability tools. Dify can be self-hosted (critical for enterprises with data sovereignty requirements) or used as a cloud service. Its open-source nature and active community have made it one of the fastest-growing AI application platforms.