Music Stream Vote is a WordPress plugin and IRC bot which collect votes on what’s playing on your IceCast music station. It features polling the IceCast .xspf URL for the current artist and title, announcing track changes in an IRC chat, collecting votes from the chat room and streaming track changes on a WordPress site, and top (n) lists.
LibreNMS is an autodiscovering PHP/MySQL-based network monitoring system forked from Observium. It aims to be easy to use and painless to deploy, and to support monitoring of a wide range of devices. Observium's license changed to a modified QPL license in May 2012, then was split into free and commercial versions. The aim of LibreNMS is to continue to create a usable NMS, but with a community focus and GPL licensing.
Brimbox is a database system that was designed to bridge the gap between spreadsheets and custom databases. It is intended to be an alternative to Access and Filemaker. Although Brimbox has its own modular approach, it is customizable in the spirit of Wordpress, though it is a database interface and not a CMS.