StartSSL™ Certificates & Public Key Infrastructure - StartSSL™ Free
www.startssl.com/?app=1
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
The StartSSL™ Free certificates are intended for web sites which require protection of privacy and prevent eavesdropping. However information presented within these certificates, except the domain name and email address, are not verified.