Cerberus Helpdesk 4.x (Cerb4) is a fast and flexible CRM toolkit. Remember anything about anybody, reply to a flood of e-mail, quarantine spam, capture feedback organically, track time, flag opportunities, share tasks, and otherwise collaborate efficiently.
Event Assignment is a project I created that adds in a new behaviour for when someone is added as a Watcher and/or Owners using Virtual Attendants (Currently only under worker settings) it works inside the ticket scope not the notification scope allowing diff options to be done.
Certbot, previously the Let's Encrypt Client, is EFF's tool to obtain certs from Let's Encrypt, and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.