Low-code visual builder for creating and deploying AI agents, RAG apps and MCP servers with major LLMs and vector DBs.
What it does
Langflow is a low-code, open-source builder for agentic and RAG applications. It offers a visual drag-and-drop canvas with reusable components, supports major LLMs and vector databases, and can expose flows as APIs or deploy on a free cloud.
Core features
Visual low-code flow builder
Prebuilt flows and components
Support for major LLMs and vector databases
Python customization
Deploy flows as APIs
Free cloud deployment
Best for
→Prototype AI agents visually
→Build RAG applications
→Deploy flows as production APIs
Toolspool rankingby global site rank
Reviews
Big-picture takes: what it's for and whether it delivers. High-engagement YouTube videos — not sponsored.
Tutorials
Step-by-step: exactly how to get things done with it.