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cert-manager

cert-manager automates TLS certificate management for Kubernetes.

Free tierPrice verified 2026-10-01Visit site ↗
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Our verdict

Who it's for

Kubernetes add-on for certificates

Who should look elsewhere

Kubernetes only

Pros

  • +Kubernetes cert automation
  • +Let's Encrypt integration
  • +Multiple issuers
  • +Active development
  • +CNCF project

Cons

  • −Kubernetes only
  • −Learning curve
  • −Debugging complex
  • −Documentation dense
  • −Configuration tricky

Key features

  • ✓Certificate management
  • ✓Kubernetes native
  • ✓Let's Encrypt
  • ✓Auto-renewal
  • ✓Multiple issuers
  • ✓Open source

Pricing

PlanPriceBillingNotes
Open Source$0monthK8s certificates; Let's Encrypt; Auto-renewal

Integrations

SlackGitHub

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