icli is a command line interface to the Icinga monitoring software. You can use it to list service/host status with many filtering options, schedule rechecks, and acknowledge service problems. Basic support for viewing the command queue and scheduled downtimes is also present. It is largely compatible with Nagios.
L++ is a multiplayer Lemmings remake which lets you play Lemmings against (or in a team against) others (up to eight players over a network). It has a built-in level editor. Lemmings is a game in which you guide one to ninety-nine lemmings from an entry door to an exit. There are commands for stopper, exploder, digger, builder, parachuter, and much more.
QuHelp is a command-line program that scans a directory with HTML formatted text files and builds a help site using that directory's content and a template. A default template is included, but any template can be specified. QuHelp adds a nice expandable tree view of the help site's contents, a navigator, permalinks, and other useful stuff for browsing the help site.