Dan Kegel's Web Hostel - Information on SSL acceleration hardware and collection of links to sites for APIs that implement SSL/TLS.

Netscape Certificate Specifications - The documents referenced below describe the certificate issuing, key generation, and certificates extensions supported in various Netscape products. (Netscape)

SSL Certificates Guide - A free SSL certificate guide to web and ecommerce security, a comparison chart of SSL vendors and what they offer.

Transport Layer Security Charter - The IETF Working Group is responsible for developing the TLS Protocol which is intended to replace SSL.