Quizzley is a simple site that allows you to create a quiz or a poll and distribute it to your audience. Once your audience pairs with the quiz/poll, their smartphone will automatically transform into the voting pad. It's a fast way to interact with your audience; no authentication or registration are needed.
The Omega Project is a universe simulator accessible remotely by registered users over the JSON-RPC protocol. This allows the highest number of users and developers to access the universe and control ships / stations / other entities in via many mechanisms. The server listens for requests over a variety of protocols including TCP, HTTP, Websockets, AMQP, and more, and clients written in any language running on any platform may use these transports to communicate with it. Omega also ships with a WebGL frontend based on three.js, providing an interactive view into running simulations.
Jabylon is extensible Web-based translation management software. It is meant primarily as a tool to help translators and developers manage and create translations for Java applications. It features tight integration into various source code management systems, a feature-rich Web editor, and a REST API to upload or download translations. It can also be used to offer your user community an easy way of contributing translations for new languages or suggest changes to existing translations.
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.
Core-Admin is an extensible solution for server and device administration that integrates into a single solution powerful administration panels, an external and highly detailed internal checking engine, and an event notification system that will allow you to track the state of all systems connected to a central console to the minute.