A private certificate authority (X.509 & SSH) & ACME server for secure automated certificate management, so you can use TLS everywhere & SSO for SSH.
Free • Open Source
What is Smallstep Certificates?
The Open Source step certificates project provides the infrastructure, automations, and workflows to securely create and operate a private certificate authority. Step certificates makes it easy for developers, operators and security teams to manage certificates for production workloads.