Atlassian GreenHopper is a JIRA plugin that adds agile project management capabilities to JIRA. Perfect for Scrum and/or Kanban, GreenHopper lets you manage tasks as virtual index cards and provides a planning board, task board, and chart board.
DoIt Deluge is a Deluge plug-in to execute commands after the occurrence of certain events. For example, it can shut down the machine after all downloads have finished.
A WebDAV server.
An adventure game based on the Simon the Sorcerer series.