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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

Healthy (78)

Total contributors

2,519

-9% vs. previous year

Total contributing organizations

777

-14% vs. previous year

GitHub Stars

1,385

-14% vs. previous year

GitHub Forks

510

+30% vs. previous year

Software Value

$42.8M

First commit

November 24, 2016

cert-manager case studies

LY Corporation

LY Corporation


1,300+ Kubernetes clusters managed

July 2, 2026

How LY Corporation Scaled Kubernetes from 5 to 1,300+ Clusters with Full Automation on Private Infrastructure

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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

Read Case Study