mod-vhost-ldap is an Apache 2.x module for storing and configuring virtual hosts from LDAP. It supports DocumentRoot, ScriptAlias, ServerName, ServerAlias, ServerAdmin, and SuexecUserGroup directives. It's built on top of mod_ldap, so it uses its caching capabilities and can be used with a threaded Apache httpd.
The deepOfix Mail Server makes it possible for organizations with minimal technical expertise to have robust server infrastructure. deepOfix offers unprecented ease of use, doesn't require prior GNU/Linux experience and is backed by a full-time development and support team. deepOfix features LDAP-based directory services for user account management, email delivery, distribution lists, and addressbooks. It also includes built in tools for spam and virus control, webmail, and fetching email.
MyVirtualDirectory is a virtual directory that facilitates the integration of applications with identity data in multiple authoritative sources in real time. The virtual directory acts as a proxy between an application and the authoritative sources, hiding the details of how or where the data is coming from. MyVirtualDirectory includes support for accessing directories and relational databases and for quickly integrating with custom sources such as Web services.