Langflow

Verified

Visual open-source builder for LangChain-style agents, flows, and RAG apps.

4.1

Open sourceMCP & Skills Platforms

Pricing

Open source

About Langflow

Langflow is a visual builder for composing LLM flows, agents, retrieval pipelines, and integrations. It remains useful as an open-source way to prototype AI workflows visually.

Key Features

Drag-and-drop AI workflow builder
Built on LangChain ecosystem
RAG and multi-agent support
Export to Python code
Self-hosted or cloud deployment

Pros & Cons

Pros

+ Visual builder lowers barrier to entry

+ Exports to production code

+ Strong LangChain integration

Cons

- Can be slow for complex flows

- Requires LangChain knowledge for advanced use

- Self-hosting needs resources

Use Cases

Prototyping AI workflows visuallyBuilding RAG applicationsCreating multi-agent systemsTeaching AI application development