langflow
The premium Open Source alternative to Stack AI
🎯 Best for:Visually building RAG pipelines and agents
What is langflow?
A self-hosted alternative to Stack AI for prototyping LLM applications. Provides a drag-and-drop interface that compiles visual flows directly into executable Python code.
Tech Stack
PythonAI, ML & Data
Why langflow?
- • Visualizes complex logic chains
- • Direct integration with LangChain
- • Rapid prototyping speed
Limitations
- • Can become cluttered with large flows
- • Dependency management can be tricky
- • Steep learning curve for non-devs
3/5/2026
Last Update
8,507
Forks
904
Issues
MIT
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to langflow instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Stack AI)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%