Windmill
Turn scripts into workflows and UIs.
In short
- What it is: Automation, 10k+ GitHub stars, licensed AGPL.
- Replaces: Zapier — around $828/year saved.
- Installed for: $199 on your own server — you own it, no monthly platform fee.
- Licence: AGPL. AGPL obligations apply — self-host is fine; comply if offered as a service.
$828
replaces per year
$4,140
saved over 5 years
$199
one-time install (yours forever)
48h
delivery
Windmill vs the tools it replaces.
| Feature | Commercial tool | Windmill (self-hosted) |
|---|---|---|
| Monthly cost | $69/mo | Your compute only |
| Branding | Vendor brand | See licence |
| Data | Vendor-hosted | On your server |
| Licence | Proprietary | AGPL |
Replaces
- Zapier — ~$69/mo
Licence posture
AGPL. AGPL obligations apply. Self-hosting is fine; comply if you offer it as a service, or buy a commercial licence.
AGPL obligations apply — self-host is fine; comply if offered as a service.
Turn it into a business.
Self-host for a client's internal use and charge for the install. If you modify and offer it as a network service, comply with AGPL — or buy a commercial licence.
Best for
Install difficulty
medium
The install, step by step.
Provision VPS + Docker
Configure secrets + provider keys
Database + storage setup
Branding + domain
HTTPS + backups
Smoke test + handover
Watch a Windmill install.
We generate an architecture diagram of the repo and walk through the deployment. Enter your name and email to unlock the demo.
Install Windmill — $199.
Flat fee, delivered in 24–48 hours, on your own server, with HTTPS, backups and the AI keys wired.