Windmill
Depends
Confidence: Medium
Buy if your team writes code and wants self-hostable, flexible workflow orchestration . and can patch fast.
Comparison
Windmill vs Zapier
Windmill and Zapier both land on Depends.
Zapier
Depends
Confidence: Low
Buy if you need many cross-app automations or IT-governed AI agents; skip it for one or two simple connections.
| Compare | Windmill | Zapier |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Engineering teams automating internal workflows | Ops teams automating across many SaaS apps |
| Who it's not for | Non-technical teams wanting no-code automation | Teams needing one or two simple automations . use native integrations |
| Privacy | Actively exploited CVE-2026-29059 (missing authorization) affects versions 1.56.0-1.614.0; official security page not found.⁸ | No known public vulnerabilities found in the sources reviewed.15 |
| Support quality | No evidence found | Expert onboarding offered; no quality data |
| Public sentiment | Public sources position Windmill as a code-first, open-source platform engineers like, but independent review quotes are scarce.⁴ | Testimonials praise no-code speed and automation ROI, but no independent user review data surfaced.14 |
| Biggest gotcha | CVE-2026-29059 actively exploited as of July 2026; patch immediately if self-hosting⁹ | No pricing shown on reviewed pages; task-based pricing historically scales fast with volume. (Guess)15 |
Pick Windmill when
- Engineering teams automating internal workflows
- Teams wanting code flexibility and self-hosting
- Replacing cron scripts with durable workflows
- Internal tool builders who code
When Windmill is not a fit
- Non-technical teams wanting no-code automation
- Small teams without an engineer to run it
- Orgs unable to patch fast against active exploits
- Anyone wanting plug-and-play SaaS simplicity
Pick Zapier when
- Ops teams automating across many SaaS apps
- IT-governed AI agent rollouts
- Non-technical teams building no-code AI workflows
- Lead capture, enrichment, and CRM routing
When Zapier is not a fit
- Teams needing one or two simple automations . use native integrations
- Budget-sensitive small teams; task-based pricing compounds fast
- Developers wanting open-source, self-hosted automation control
- Buyers requiring independently verified security posture
Sources
- Windmill official sitewindmill.devofficial
- Windmill GitHub repositorygithub.comofficial
- Windmill on Y Combinatorycombinator.comofficial
news
review
review
review
- Windmill CVEs and Security Vulnerabilitiesapp.opencve.iosecurity
- Active exploitation of Windmill vulnerabilityfieldeffect.comsecurity
- Windmill Security pagewindmill.devsecurity
- Windmill on Cloudron community packageforum.cloudron.ionews
review
- Zapier homepagezapier.comofficial
- Zapier try-free pagezapier.comofficial
- Zapier compliance and governance pagezapier.comofficial
- Zapier security page crawlzapier.comsecurity