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.
Attract-Mode is a graphical front-end for command line emulators such as MAME, MESS, and Nestopia. It is designed to be run in an arcade cabinet and controlled with a joystick or spin dial.
A Jabber/XMPP instant messaging server.
A Magento order attribute extension that allows store owners to add custom fields to the checkout page.