# Langflow

> Low-code visual framework for building and deploying AI agents, RAG applications, and MCP servers with major LLMs and vector databases.

- Website: https://www.langflow.org/?ref=devshelf.io
- DevShelf page: https://devshelf.io/resource/langflow
- Pricing: Freemium
- Tags: Open Source, Self-hosted, No-code
- Categories: [Agent Frameworks & MCP](https://devshelf.io/category/agent-frameworks-mcp.md), [No-Code AI Builders](https://devshelf.io/category/nocode-ai-builders.md)
- Last checked: 2026-11-03

## About

Langflow is an open-source, low-code development tool designed for building, prototyping, and deploying custom AI agents, Retrieval-Augmented Generation applications, and Model Context Protocol servers. It provides a visual node-based interface to orchestrate complex data flows, integrate with hundreds of language models, vector databases, APIs, and tools. Developers can transition workflows from local notebooks to production environments seamlessly using either self-hosted open-source infrastructure or managed cloud deployment options.

## Alternatives

- [LangChain](https://devshelf.io/resource/langchain.md): An open agent platform and framework for building, testing, deploying, and monitoring LLM-powered applications and autonomous agents. (pricing: Freemium, Pay-as-you-go)
- [Awesome LLM Apps](https://devshelf.io/resource/awesome-llm-apps.md): Collection of over 100 open-source AI agents, agent skills, and RAG applications built with end-to-end testing and Apache-2.0 license. (pricing: Free)
- [MCP Market](https://devshelf.io/resource/mcp-market.md): Directory and marketplace for discovering Model Context Protocol (MCP) servers and agent skills to connect AI models with tools. (pricing: Freemium)

---

Source: DevShelf.io, the hand-reviewed catalog of dev tools and resources. Every resource is reviewed by hand before it is listed.