cert-manager

Automatically provision and manage TLS certificates in Kubernetes

cert-manager was accepted to CNCF on November 10, 2020, moved to the Incubating maturity level on September 19, 2022, and then moved to the Graduated maturity level on September 29, 2024.

Project Insights

Key metrics, providing insights into development activity, community engagement, and project health. Powered by LFX Insights.

Health Score

Excellent (82)

Total contributors

2,604

-9% vs. previous year

Total contributing organizations

818

-8% vs. previous year

GitHub Stars

1,487

-10% vs. previous year

GitHub Forks

451

+14% vs. previous year

Software Value

$33.3M

First commit

July 19, 2017

cert-manager case studies

Saxo Bank

Saxo Bank


1,827 automated infrastructure operations in 12 months

March 25, 2026

Automating infrastructure access and provisioning with the Saxo Service Blueprint

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Lunar

Lunar


40 Smooth production releases per day

September 30, 2022

How Kubernetes and Linkerd became Lunar's multi-cloud communication backbone

Read Case Study