builder
Langflow
A visual, open-source builder for AI applications and agents.
langflow.org ↗macOS · Windows
what it is
Langflow is an open-source tool for building AI applications and agents visually. It has a desktop app and can be self-hosted.
who it's for
Developers and builders prototyping AI apps.
how to start
- 1Download Langflow Desktop from langflow.org/desktop, or install from GitHub.
- 2Open it and create a flow.
- 3Add your model API key.
- 4Run and share your app.
what you need
- A desktop computer or server
- An LLM API key
pricing
Open source
checked Oct 10, 2026
key features
- Visual flow builder
- Desktop app
- Open source