Let's Encrypt
Free, automated certificate authority that issues TLS certificates through the ACME protocol.
- Free plan or free to use
Open-source web server that gets and renews HTTPS certificates automatically for the sites it serves.
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.