Langflow
Langflow is a low-code visual builder for agents, RAG, and MCP servers, open-source with an optional Langflow Cloud. Flows are Python under the hood.
Pros
- Visual graph + Python escape hatch. OSS on GitHub. Cloud CTA is "Get Started for Free" on langflow.org. Integrates major LLMs and vector DBs listed on the homepage.
Cons
- Visual builders can hide complexity until production.
Cost
Pricing unavailable
Verdict
A visual builder for agents, RAG, and MCP servers, with Python under the hood.
Visit Langflow