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TL;DR - Node-RED
- Node-RED is a flow-based programming tool for wiring IoT and APIs
- It creates automation flows with a visual browser-based editor
- Completely free and open-source
Pricing: Free forever
Best for: Individuals & startups
Score: 80/100
Pros & Cons
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 programmingIoTVisual editorNodesSelf-hostedOpen source
Pricing Plans
Open Source
Free
- Apache 2.0 licensed
- Self-hosted
- 5000+ community nodes
- Full IoT automation
About Node-RED
By Toolradar Team·
Node-RED connects IoT and APIs visually. Flow-based programming for automation—wiring things together without deep coding.
The visual approach is accessible. The IoT integration is strong. The use cases span devices and services.
IoT projects and automation enthusiasts use Node-RED for flow-based integration.
Reviews
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Node-RED FAQ
Is Node-RED free?
Yes, Node-RED is completely free and open source. Apache 2.0 license. Foundation-backed development.
What is Node-RED?
Node-RED is a visual programming tool for IoT. Wire together hardware, APIs, and services. Low-code flow-based development.
What is Node-RED used for?
IoT applications, home automation, API integration, and data processing. Popular in industrial automation.
Node-RED vs n8n?
Node-RED is IoT-focused with hardware support. n8n is for business automation. Different use cases with some overlap.
Source: nodered.org