Selador is a browser-based fantasy game. The game was commercial at first, but has since been released as open source by its developers. The game focuses on teamplay and communication between players. Although it is played in real-time, strategy and planning are paramount. It comes with a nice set of graphics and a pre-populated database. It can be installed on any *AMP stack.
KeyBox is a Web-based SSH console for executing commands and managing multiple systems simultaneously. It allows you to share terminal commands and upload files to all your systems. Once the sessions have been opened you can select a single system or any combination on which to run your commands. Also, additional system administrators can be added and their terminal sessions and history can be audited.