The IETF Working Group is responsible for developing the TLS Protocol which is intended to replace SSL.

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

Information on SSL acceleration hardware and collection of links to sites for APIs that implement SSL/TLS.

Compares Certificate Authority products and prices. Provides help for generating signing requests, help installing signed certificates, and answers to frequently asked questions.

Directory listing web hosts that offer SSL with their web hosting plans.

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