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Windmill vs Zapier

Windmill and Zapier both land on Depends.

Zapier

zapier.com

Depends
Confidence: Low

Buy if you need many cross-app automations or IT-governed AI agents; skip it for one or two simple connections.

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Windmill versus Zapier
CompareWindmillZapier
VerdictDependsDepends
Best forEngineering teams automating internal workflowsOps teams automating across many SaaS apps
Who it's not forNon-technical teams wanting no-code automationTeams needing one or two simple automations . use native integrations
PrivacyActively exploited CVE-2026-29059 (missing authorization) affects versions 1.56.0-1.614.0; official security page not found.⁸No known public vulnerabilities found in the sources reviewed.15
Support qualityNo evidence foundExpert onboarding offered; no quality data
Public sentimentPublic sources position Windmill as a code-first, open-source platform engineers like, but independent review quotes are scarce.⁴Testimonials praise no-code speed and automation ROI, but no independent user review data surfaced.14
Biggest gotchaCVE-2026-29059 actively exploited as of July 2026; patch immediately if self-hosting⁹No 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

  1. Windmill official sitewindmill.dev
    official
  2. Windmill GitHub repositorygithub.com
    official
  3. Windmill on Y Combinatorycombinator.com
    official
  4. Best Workflow Automation Tools for Engineering Teamstmcnet.com
    news
  5. Best n8n Alternatives in 2026: 6 Tools Comparedbuda.im
    review
  6. Best n8n Alternatives for Open-Source Automationsynta.io
    review
  7. Windmill free tier . Unlimited Executions Freefreetier.co
    review
  8. Windmill CVEs and Security Vulnerabilitiesapp.opencve.io
    security
  9. Active exploitation of Windmill vulnerabilityfieldeffect.com
    security
  10. Windmill Security pagewindmill.dev
    security
  11. Windmill on Cloudron community packageforum.cloudron.io
    news
  12. Windmill . Workflow Orchestration & Durable Executiondevtune.ai
    review
  13. Zapier homepagezapier.com
    official
  14. Zapier try-free pagezapier.com
    official
  15. Zapier compliance and governance pagezapier.com
    official
  16. Zapier security page crawlzapier.com
    security