Package request: certbot
Certbot 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.
https://github.com/certbot/certbot
(from redmine: issue id 8456, created on 2018-02-01, closed on 2018-02-01)