CertMate is a robust, self-hosted TLS certificate management system designed to streamline how developers and IT teams handle SSL certificates. Currently at version 2.24.0, this open-source tool stands out by offering a tamper-evident, verifiable audit trail for enhanced security and compliance.

Built with flexibility in mind, CertMate provides a comprehensive suite of interaction methods, featuring a user-friendly UI, a powerful REST API, a Command Line Interface (CLI), and MCP integration. It supports 27 different DNS providers and incorporates modern access controls like OIDC/SSO. Distributed under the permissive MIT license, CertMate gives infrastructure teams complete control over their security assets while maintaining a high degree of integration capability.

Pros of CertMate

Open-source and distributed under the permissive MIT license
Self-hosted solution with a tamper-evident, verifiable audit trail
Comprehensive management interfaces including UI, REST API, CLI, and MCP
Out-of-the-box support for 27 DNS providers
Modern security features including OIDC/SSO integration

Cons of CertMate

Self-hosting requires user-managed infrastructure and maintenance
May have a learning curve for teams unfamiliar with CLI or API-driven workflows

Frequently Asked Questions

What is CertMate?

CertMate is a self-hosted TLS and SSL certificate management system that includes a tamper-evident, verifiable audit trail, support for 27 DNS providers, and OIDC/SSO.