Langflow

Open source · OSI-approvedStatus: unknown

Drag-and-drop builder for agents and RAG pipelines

Langflow turns pipeline construction into a graph you can see. Components are Python underneath, so a flow that outgrows the canvas can be exported and run as code rather than rebuilt.

It is particularly good as a teaching and prototyping surface: the shape of a retrieval pipeline is much easier to explain when the retrieval step is a box with wires going into it.

Decisive facts

Visual graph editor over Python components
Export any flow to runnable Python
Built-in vector store, memory, and tool components
MCP server support for exposing flows as tools
API endpoint generated per published flow

AI Agent Platforms Workflow Automation python typescript rag agents low-code

Alternatives to Langflow

Retool

Internal tool builder assembled from components and queries

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