MyANT DNS is a Web frontend for BIND DLZ that expands upon the original ANT DNS that uses MySQL.
Powerdns Tango is a simple Web frontend for PowerDNS written in the Perl dancer framework. Its design philosophy is to (hopefully) make DNS management simple, easy, and as quick as possible. It supports both MySQL and PostgreSQL backends.
An accounting program that embeds OpenOffice.org.
A Document Object Model CSS implementation in Java.