n8n
ZapierAbout Node-RED
Node-RED invented the category everyone else now iterates on. Born at IBM in 2013 and now an OpenJS Foundation project, it pioneered wiring 'nodes' together on a canvas to move data between devices, APIs and services — and twelve years on, it remains the most battle-tested automation runtime you can self-host.
Its superpower is the ecosystem: thousands of community-published nodes cover everything from MQTT sensors and Modbus PLCs to Slack, Postgres and OpenAI. That reach has made it the de-facto standard in IoT, home automation and industrial monitoring.
Where n8n courts SaaS-to-SaaS business workflows, Node-RED shines closer to the metal: events, devices, protocols and glue logic. It runs happily on a Raspberry Pi, and its Apache-2.0 license is as permissive as open source gets.
What makes it different
Drag, wire and deploy flows in the browser — logic you can see, running on your own hardware.
The largest community node library in automation — hardware protocols to SaaS APIs.
Raspberry Pi, a $5 VPS, Docker or industrial gateways — Node-RED is famously lightweight.
Vendor-neutral foundation stewardship and an Apache-2.0 license — no fair-code strings.
How to install Node-RED
A hands-on walkthrough of getting Node-RED up and running — follow along and you'll have it self-hosted in one sitting.
Node.jsMQTT
DockerThe honest read
- 12+ years of production hardening
- Unmatched device/protocol support (MQTT, Modbus, serial…)
- Huge community and documentation base
- Runs on tiny hardware like a Raspberry Pi
- Truly permissive Apache-2.0 license
- UI feels dated next to n8n or Activepieces
- Weaker fit for SaaS-to-SaaS business automations
- Single-user by design — no built-in team permissions
- Complex flows can become spaghetti without discipline
Quick answers
Completely — it's Apache-2.0 licensed under the OpenJS Foundation, free for any use including commercial, with no paid tiers at all.
Node-RED for events, devices, IoT and protocol glue; n8n for SaaS-to-SaaS business workflows with its 400+ app integrations. Plenty of teams run both for their respective strengths.
Yes — it's the canonical deployment. Node-RED ships in Raspberry Pi OS repositories and drives a huge share of home-automation setups.
It can call any HTTP API, so yes technically — but it lacks the pre-built SaaS connectors and team features of n8n or Activepieces. Its sweet spot remains events and devices.
More open-source picks
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Declarative YAML orchestration for data and event pipelines.
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