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Node-RED vs Windmill

Node-RED logo

Node-RED

Smart Home

Flow-based programming tool for IoT and home automation

From
Free
Rated
-
Full reviewWebsite
Windmill logo

Windmill

Automation Integration

Open-source developer platform for building scripts, workflows, and internal apps

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Node-RED the Node-RED editor ships unsecured: anyone who can reach its IP address can open the editor and deploy changes until adminAuth is configured; Windmill free self-hosted tier caps SSO users at 10 and workspaces at 3, requiring Enterprise for larger teams.
  • They diverge on capability: Node-RED covers Visual Editor, Windmill covers Script-to-workflow engine.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Node-RED and Windmill actually diverge.

Attributes where Node-RED and Windmill differ
AttributeNode-REDWindmill
PlatformsNode.js, Docker, Cloud, Edge devicesweb, api, linux, windows, mac
CategorySmart HomeAutomation Integration
Founded2013Unknown

Identical on both: starting price (Free), pricing model (open-source), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Node-RED

  • Visual Editor
  • Flow-Based Programming
  • Extensible
  • HTTP Integration
  • MQTT
  • REST API
  • WebSocket
  • Database

Only in Windmill

  • Script-to-workflow engine
  • Auto-generated UIs
  • Self-hosted deployment
  • Git sync
  • SSO support
  • Audit logs

What people use each for

The jobs each tool is most often brought in to do.

Node-RED

  • Low-code event-driven application developmentnot Windmill
  • IoT and device integration workflowsnot Windmill
  • Visual programming for server-side integrationsnot Windmill

Windmill

  • Turning ad-hoc scripts into scheduled jobs and APIsnot Node-RED
  • Building internal tools from existing Python/TypeScript codenot Node-RED
  • Self-hosted automation for engineering teamsnot Node-RED
  • Orchestrating multi-language workflowsnot Node-RED

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Node-RED

  • The Node-RED editor ships unsecured: anyone who can reach its IP address can open the editor and deploy changes until adminAuth is configured
  • HTTPS is off by default and must be enabled through the https setting
  • HTTP endpoints and dashboards exposed by flows are unauthenticated unless httpNodeAuth is configured separately
  • All three security layers are optional additions the administrator must implement by editing the settings file

Windmill

  • Free self-hosted tier caps SSO users at 10 and workspaces at 3, requiring Enterprise for larger teams.
  • Compute unit and seat-based pricing (developer vs. operator seats, worker compute units) adds pricing complexity beyond a flat monthly fee.
  • Email triggers are capped at 100/day on the free tier, limiting event-driven use cases without upgrading.
  • Smaller ecosystem of pre-built integrations compared to more established automation tools like n8n.

Pricing, plan by plan

Node-RED

Free
  • Community EditionFree
    • Visual editor
    • Extensible
    • REST API

Windmill

Free
  • Free / Open-sourceFree
    • Unlimited executions
    • Self-hosted deployment
    • Max 10 users with SSO
  • Enterprise$120/month
    • Unlimited executions and workspaces
    • Uncapped SSO seats
    • 24/7 priority support (3-hour response)

Which should you pick?

Choose Node-RED if

  • You need visual editor.
  • You want to start without paying.
  • You work on Node.js, Docker, Cloud, Edge devices.
  • You also want flow-based programming.
Node-RED review

Choose Windmill if

  • You need script-to-workflow engine.
  • You want to start without paying.
  • You work on web, api, linux, windows, mac.
  • You also want auto-generated uis.
Windmill review

Questions people ask

Is Node-RED or Windmill better?
Neither clearly leads. Node-RED starts at Free and Windmill at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Node-RED or Windmill?
Node-RED starts at Free and Windmill at Free.
Does Node-RED or Windmill run on more platforms?
Node-RED runs on Node.js, Docker, Cloud, Edge devices. Windmill runs on web, api, linux, windows, mac.
Can I use Node-RED for free?
Both have a free tier, so you can try either at no cost before committing.
What is Node-RED best used for?
Node-RED is most often used for low-code event-driven application development, iot and device integration workflows, visual programming for server-side integrations. Of those, low-code event-driven application development and iot and device integration workflows are not what Windmill is typically brought in for.
What can Node-RED do that Windmill cannot?
Node-RED covers Visual Editor, Flow-Based Programming, Extensible, HTTP Integration. Windmill covers Script-to-workflow engine, Auto-generated UIs, Self-hosted deployment, Git sync.

Answered from the vendors’ own pages

Node-RED: Is Node-RED free?

Yes, Node-RED is completely free and open source. It is available under the MIT License through GitHub and npm package manager. The project is maintained by the OpenJS Foundation.

Source
Windmill: What does Windmill cost?

Windmill's Free and Open-source edition is $0/month for self-hosted use with unlimited executions, while Enterprise starts at $120/month with unlimited workspaces and uncapped SSO seats, priced further by developer/operator seats and compute units.

Source
Node-RED: Does Node-RED offer commercial support?

Node-RED itself is free and community-supported. FlowFuse, Inc. was founded in 2021 as a separate commercial entity offering enterprise support and a professional platform for Node-RED deployment, but FlowFuse is not Node-RED.

Source
Windmill: Is there a free plan and what are its limits?

The free self-hosted plan supports unlimited executions but caps SSO at 10 users, workspaces at 3, groups/permissions at 4, and email triggers at 100 per day.

Source
Node-RED: What is Node-RED pricing model?

Node-RED has no pricing model. It is completely free open source software. Commercial support and hosting options may be available separately through third-party providers like FlowFuse, but the core software is not sold.

Source
Windmill: How is usage metered on Windmill Enterprise?

Enterprise usage is metered through seats (developer seats at $20/month, operator seats at $10/month) and compute units, e.g. $100/month for 2 standard-worker compute units.

Source
Windmill: What happens to a self-hosted Windmill deployment if the company shuts down?

The pricing page addresses this directly as an FAQ topic, noting that self-hosted applications built on the open-source edition can continue running independently of Windmill the company.

Source
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