Langflow
by langflow-aiVisual framework for building multi-agent and RAG applications. Drag, drop, prototype, deploy — agnostic of any model or vector DB.
About Langflow
Langflow is a Python open-source workflow automation project by langflow-ai. Visual framework for building multi-agent and RAG applications. Drag, drop, prototype, deploy — agnostic of any model or vector DB. With 38,000 GitHub stars and 0forks, it's one of the Workflow Automation tools worth knowing. You can download the source, browse it on GitHub, or read the full setup guide in the README below.
From the project README
[[image: Release Notes]](https://github.com/langflow-ai/langflow/releases) [[image: PyPI - License]](https://opensource.org/licenses/MIT) [[image: PyPI - Downloads]](https://pypistats.org/packages/langflow) [[image: Twitter]](https://twitter.com/langflow_ai) [[image: YouTube Channel]](https://www.youtube.com/@Langflow) [[image: Discord Server]](https://discord.gg/EqksyE2EX9) [[image: Ask DeepWiki]](https://deepwiki.com/langflow-ai/langflow)
This is an excerpt from the project's own README, quoted here for reference. Read the full README on GitHub →
Langflow — FAQ
What is Langflow?
Visual framework for building multi-agent and RAG applications. Drag, drop, prototype, deploy — agnostic of any model or vector DB.
Is Langflow free to use?
Yes. Langflow is open-source and free. You can browse the source on GitHub or download it here at no cost — no signup required.
How do I install and run Langflow?
Download the latest source as a ZIP from GitHub (or clone the main branch), then follow the setup steps in the README below.
What language is Langflow written in?
Langflow is primarily written in Python.
How popular is Langflow?
Langflow has 38,000 stars and 0 forks on GitHub — a useful signal of how actively it's maintained and trusted by developers.