NakedSSL - Hassle-free SSL clothes for your naked domains.
TinyCert - Free SSL certificates for your startup.
Secure My Website - A pain-free service to add SSL to your site, for non-geeks
BrandSSL - On demand SSL for SaaS
redirectssl - Setup your naked (non-WWW) domain with an SSL and redirect it anywhere.
CertSimple - EV SSL certificates delivered in hours, not days