# Langflow

Langflow is an open-source platform for building and deploying AI-powered agents and workflows. It is open source and self-hosted, installable on Docker Hub, Umbrel, ZimaOS and Unraid.

Canonical page: https://ourlocalhost.com/app/679/langflow

## Description

Langflow is an open-source platform for building and deploying AI-powered agents and workflows. It gives developers a visual authoring experience and built-in API and Model Context Protocol (MCP) servers that turn every workflow into a tool callable from any framework or stack. It ships with support for all major large language models, vector databases, and a growing library of AI tools.

## Platform availability

Available on 3 of 9 platforms: Unraid, Umbrel, ZimaOS.

## Health score

85/100 (Excellent), based on 4 of 4 factors.
- Maintained: 100 (last commit 18 days ago)
- Popular: 100 (155,403 GitHub stars)
- Easy to install: 55 (3 install platforms, install notes, Docker image)
- Light to run: 60 (2 GB minimum RAM, runs on ARM)

## Links

- Docker Hub: https://hub.docker.com/r/langflowai/langflow
- Official website: http://www.langflow.org
- Umbrel: https://apps.umbrel.com/app/langflow
- ZimaOS: https://github.com/IceWhaleTech/CasaOS-AppStore/tree/main/Apps/LangFlow
- Unraid: https://ca.unraid.net/apps/langflow-1cs6xru098nmae?q=langflow
- GitHub: https://github.com/langflow-ai/langflow

## Common questions

### Which port does Langflow use by default?

Langflow starts on port 7860 for a local install. Docker also exposes port 7860 for browser access.

### How do I create the first Langflow account before first run?

Set LANGFLOW_SUPERUSER, LANGFLOW_SUPERUSER_PASSWORD, and LANGFLOW_SECRET_KEY in the .env file. These create the first account and secure session signing.

### Can I expose a local Langflow server publicly?

The documentation describes self-hosting a local Langflow server through an ngrok gateway.

### Why might some components be missing?

Components can be missing because they are recategorized or deprecated as development continues.

## Alternatives

- Flowise: Open source low-code tool for developers to build customized LLM orchestration flow and AI agents.
- Sim Studio: Sim Studio is an open-source, self-hosted application server that provides the web interface, API, and real-time collaboration for building…

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Source: Our Local Host (https://ourlocalhost.com/app/679/langflow), the self-hosted and open-source app directory.