PHPki is an Open Source Web application for managing a multi-agency PKI for HIPAA compliance. With it, you may create and centrally manage X.509 certificates for use with S/MIME enabled e-mail clients, SSL servers, and VPN applications.
STS is a web-based application that allows it's users to store text in various, self-defined sections. The text will be encrypted and stored in a single file. This will protect the data even in the case of a server hack.