PJAC is a CLI management agent designed for use with your own automation tools (ansible, puppet, chef, saltstack, etc.). Also suitable if you want to automate certificate management with your own scripts/programs/crond-jobs etc.).
ACME is a protocol that a Certificate Authority (CA) and an applicant can use to automate the process of verification and certificate issuance.
This application is based on acme4j, a Java ACME library implementation. If you need your own implementation you can use that library.
All functions are executed separately, so you can integrate them seamlessly in your own particular environment.
PJAC version 2.x.y and earlier support acme protocol version 1.
PJAC version from 3.x.y supports acme protocol version 2.
Java Runtime Environment (JRE) 8 or higher.
See the wiki for information on how to use the application.