Let's Encrypt
Free, automated certificate authority that issues TLS certificates through the ACME protocol.
- Free plan or free to use
Shell-script ACME client that issues and renews certificates, with many DNS provider APIs for wildcard certificates.
Not enough info yet on has an API, built for WordPress sites. Check the tool's own site.
Listing written by HostMomentum, checked 2026-11-03. Report a correction or request removal. Back to ssl and certificates.