The iF.SVNAdmin application is a web based GUI to your Subversion authorization file. It is based on PHP 5.3 and requires a web server (Apache) to be installed. (+ LDAP integration; no database required)
ISPMan is a system to design massive ISPs using LDAP as the backend.
ISPMan provides a web front end and a command line interface to create virtual domains and manages users, dns information, email infos and httpd setup data for these vhosts.
QmailLdapAdmin is a tool designed in PHP to handle qmail-Schema of Ldap. It provides basic ldap operations, additionally it has a lot of built-in intelligence to support rules to setup emails accounts record in ldap. Mailling lists also can be maintained