acme.sh

Unlike many other popular clients (which tend to default to using Let's Encrypt), acme.sh defaults to the ZeroSSL certificate authority for certificate orders.

🏠 https://acme.sh

Documentation

📝 https://github.com/acmesh-official/acme.sh/wiki

Community

🧑🏿‍💻 https://github.com/acmesh-official/acme.sh/issues

Source Code

🧑🏿‍💻 https://github.com/acmesh-official/acme.sh

Pros

• Optimized for Linux and other unix-like systems, broad compatibility
• Minimal dependencies
• Support for a range of DNS APIs (external dependencies required).

Cons

• Only limited support for Windows (requires Cygwin or other compatible shells etc)
• Lacks a dedicated support community
• No automated update notifications

Features

• HTTP domain validation.
• DNS domain validation.
• Option to use a custom Certificate Signing Request (CSR) generated from an external source.
• Supports requesting certificates for IP address identifiers.