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Node-RED

Node-RED connects IoT and APIs visually.

Free tierPrice verified 2026-09-29Visit site ↗
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Our verdict

Who it's for

Flow-based programming for IoT

Who should look elsewhere

Learning curve

Pros

  • +Visual flow programming
  • +IoT friendly
  • +Good for automation
  • +Open source
  • +Active community

Cons

  • −Learning curve
  • −Performance limits
  • −Not for complex apps
  • −UI dated
  • −Debugging harder

Key features

  • ✓Flow-based programming
  • ✓IoT
  • ✓Visual editor
  • ✓Nodes
  • ✓Self-hosted
  • ✓Open source

Pricing

PlanPriceBillingNotes
Open Source$0monthApache 2.0 licensed; Self-hosted; 5000+ community nodes

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