mod_ispman is an apache module that interfaces with ISPMan (http://www.ispman.org/). It will take care of virtual hosts, authentication and authorisation. It will maintain a local cache to keep hits on the LDAP server low and performance up.
FireWebSSO server for the FireWebSSO addon for Firefox. A Single Sign-On (SSO) server dedicated to Firefox and SeaMonkey navigators. It provides a secure remote storage for logins/passwords, bookmarks and personal notes. For apache or standalone usage.