Node-RED vs Windmill: Which is Better in 2026?
Choosing between Node-RED and Windmill comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Node-RED
Flow-based programming for IoT
Best for you if:
- • You need something completely free
- • You need automation features specifically
- • Node-RED is a flow-based programming tool for wiring IoT and APIs
- • It creates automation flows with a visual browser-based editor
Windmill
Open-source developer platform for scripts
Best for you if:
- • You need developer tools features specifically
- • Windmill is an open-source developer platform for internal tools
- • It runs scripts and workflows with a visual builder
| At a Glance |  Node-RED |  Windmill |
|---|---|---|
Starts at | Free | Free tier + paid plansFree tier available |
Best For | Automation | Developer Tools |
Rating | - | - |
Choose Node-RED or Windmill?
Choose Node-RED if
Flow-based programming for IoT
- Visual flow programming
- IoT friendly
- Good for automation
- You want a fully free tool (Windmill requires payment)
- Your work is automation-shaped, not developer tools-shaped
Choose Windmill if
Open-source developer platform for scripts
- Open source workflow engine
- Scripts and flows
- Self-hostable
- Your work is developer tools-shaped, not automation-shaped
| Feature | Node-RED | Windmill |
|---|---|---|
| Pricing Model | Free | Freemium |
| User Rating | ★4.7/5 29 reviews | ★4.9/5 12 reviews |
| Categories | AutomationNo-Code | Developer ToolsApp Builders |
In-Depth Analysis
Node-RED
Flow-based programming for IoT
Strengths
- +Visual flow programming
- +IoT friendly
- +Good for automation
- +Open source
- +Active community
Weaknesses
- -Learning curve
- -Performance limits
- -Not for complex apps
- -UI dated
- -Debugging harder
Key features
Windmill
Open-source developer platform for scripts
Strengths
- +Open source workflow engine
- +Scripts and flows
- +Self-hostable
- +Good UI
- +Active development
Weaknesses
- -Learning curve
- -Documentation improving
- -Smaller community
- -Enterprise features limited
- -Setup complexity
Key features
Pricing: Node-RED vs Windmill
| Plan | Node-RED | Windmill |
|---|---|---|
| Tier 1 | Free Open Source | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Node-RED pricing and Windmill pricing.
Who Should Use What?
On a budget?
Node-RED is free. Windmill is freemium.
Go with: Node-RED
Want the highest-rated option?
Neither has user reviews yet.
Go with: Node-RED
Value user reviews?
Neither has user reviews yet.
Go with: Windmill
3 Questions to Help You Decide
What's your budget?
Node-RED is free. Windmill is freemium. Go with Node-RED if free matters most.
What's your use case?
Node-RED is a automation tool. Windmill is in developer tools. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Windmill
- Higher user rating: 4.9/5 vs 4.7/5
- Free tier available
- Our pick for this comparison
Node-RED
- Completely free
- Larger review base (29 reviews)
- Better fit for automation
The Bottom Line
Windmill is our pick. That said, Node-RED is free, hard to beat on price.
Frequently Asked Questions
Is Node-RED or Windmill better?
Windmill is rated in our evaluation. Node-RED is free and Windmill is freemium.
What are Node-RED and Windmill used for?
Node-RED: Flow-based programming for IoT. Windmill: Open-source developer platform for scripts.
What does Node-RED cost vs Windmill?
Node-RED is completely free. Windmill is freemium (free tier + paid plans). Visit their websites for detailed pricing.