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Should I Use Windmill?

windmill.dev·Analyzed 1 day ago··Based on 12 sources

Built for teams to create and collaborate on internal software. Loved by engineers for full code flexibility and control over their infrastructure. Open-source and self-hostable.

Depends

Depends

Buy if your team writes code and wants self-hostable, flexible workflow orchestration — and can patch fast.

Great code-first orchestration for engineering teams; overkill without devs, and an actively exploited CVE demands fast patching.

Confidence: Medium

17,519

GitHub stars

open-source repo

4,000+

Organizations using

incl. 300+ enterprise customers

Yes

Free tier

unlimited executions free

4+

Languages supported

TypeScript, Python, Go, Bash

Value for money4

Open-source with free unlimited-execution tier

Ease of use2

Code-first positioning demands engineering skill

Feature depth4

Scripts, workflows, jobs, internal tools in one platform

Security posture2

Actively exploited CVE; no security page found

Pros

  • Open-source and self-hostable¹
  • Free tier with unlimited executions⁷
  • Supports TypeScript, Python, Go, Bash scripts⁵
  • Combines APIs, background jobs, workflows, internal tools in one platform²
  • Adopted by 4,000+ organizations, 300+ enterprise customers12

Cons

  • Code-first: non-engineers will struggle⁵
  • Self-hosting means you own uptime, ops, and patching¹
  • Actively exploited missing-authorization CVE affects broad version range⁹
  • No security page found on official site10

Gotchas

  • highCVE-2026-29059 actively exploited as of July 2026; patch immediately if self-hosting⁹
  • mediumAffected versions span 1.56.0–1.614.0 — audit your deployed version before trusting it⁸
  • mediumDetailed paid-tier pricing not public; enterprise likely requires a sales conversation¹
  • lowFree unlimited executions shifts real cost to your infrastructure and ops time⁷

Best for

  • Engineering teams automating internal workflows
  • Teams wanting code flexibility and self-hosting
  • Replacing cron scripts with durable workflows
  • Internal tool builders who code

Not for

  • 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

Pricing

Free tier: Yes

Security

Actively exploited CVE-2026-29059 (missing authorization) affects versions 1.56.0–1.614.0; official security page not found.

  • CVE-2026-29059 — missing authorization vulnerabilityWindmill versions 1.56.0 through 1.614.0 contain a missing authorization vulnerability.⁸
  • Active exploitation in the wildField Effect reports active exploitation of CVE-2026-29059 exposing accessible files, as of July 2026.⁹

What users say

Public sources position Windmill as a code-first, open-source platform engineers like, but independent review quotes are scarce.

Alternatives

Compare Windmill with each alternative.

Full analysis

Based on 20+ public sources; most echo the vendor tagline, few independent user reviews found.

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

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