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 (77)

Total contributors

2,395

-15% vs. previous year

Total contributing organizations

729

-17% vs. previous year

GitHub Stars

1,349

-15% vs. previous year

GitHub Forks

535

+36% vs. previous year

Software Value

$42.8M

First commit

November 24, 2016

cert-manager case studies

Celonis

Celonis


360 million requests processed every day.

August 18, 2026

How Celonis Standardized Networking Across 150+ Kubernetes Clusters with Cilium

Read Case Study
Etraveli Group

Etraveli Group


Hundreds of millions flight searches handled every day.

July 28, 2026

Etraveli Group Replaced Proprietary Load Balancers and Eliminated Production Downtime with Cilium

Read Case Study