can i fork it?
open sourceOpen SourceSelf-host★ 156.4kactive nov 2026

Langflow

Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.

Technical Profile & Specs

verified 2026-11-07

Cost
$0 / forever (Open Source)
License
Open Source
Hosting Model
Self-host (your server)
Platforms
webself-hosteddocker to self-host
Installation
Clone https://github.com/langflow-ai/langflow or deploy with Docker Compose
Operational Setup
Deploy via Docker or binary release from GitHub and configure environment variables.
Where Your Data Lives
All application data and configuration live on your own server or local database.
The Catch / Trade-off
Requires self-hosting setup, updates, and server maintenance compared to managed Voiceflow.

Replaces 1 paid app

up to $15/mo ($180/yr) in subscriptions

Langflow FAQ

Common questions

Is Langflow free and open source?+

Langflow is an open-source tool licensed under Open Source that runs on self-host. Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.

What paid software does Langflow replace?+

Langflow serves as a free replacement for 1 paid SaaS application: Voiceflow, saving up to $15/month ($180/year) in subscription bills.

How do you install and set up Langflow?+

Installation: Clone https://github.com/langflow-ai/langflow or deploy with Docker Compose. Setup notes: Deploy via Docker or binary release from GitHub and configure environment variables.

What is the catch or trade-off with Langflow?+

Requires self-hosting setup, updates, and server maintenance compared to managed Voiceflow.