security/acme.sh 3.1.6 OpenBSD

ACME protocol client written in shell

• Full ACME protocol implementation.
• Support ACME v1 and ACME v2.
• Support ACME v2 wildcard certs.
• Simple, powerful and very easy to use. You only need 3 minutes to learn it.
• Bash, dash and sh compatible.
• Simplest shell script for Let's Encrypt free certificate client.
• Purely written in Shell with no dependencies on python or the official Let's Encrypt client.
• Just one script to issue, renew and install your certificates automatically.
• DOES NOT require root/sudoer access.
• Docker friendly.
• IPv6 support.

Note that acme.sh uses ZeroSSL as the certificate authority by default. See https://github.com/acmesh-official/acme.sh/wiki/Server if you would like to use Let's Encrypt or another CA.