wmpuzzle provides a 4x4 puzzle on a 64x64 mini window. You can puzzle any XPM image you wish. wmpuzzle is designed to work with the WindowMaker dock, but will work with other window managers as well. wmpuzzle's upstream homepage can be found at http://people.debian.org/~godisch/wmpuzzle/.

Mencal is a menstruation calendar written in Perl.

itop is a simple interrupt load monitor which opens and monitors /proc/interrupts in a top-like way. It can be set to monitor the file a specific number of times and monitor all interrupts, not only the ones currently in use.

mscgen is a small program that parses Message Sequence Chart descriptions and produces PNG, SVG, EPS or server side image maps (ismaps) as the output. Message Sequence Charts (MSCs) are a way of representing entities and interactions over some time period and are often used in combination with SDL. MSCs are popular in Telecoms to specify how protocols operate.

WordGrinder is a simple, Unicode-aware word processor. It supports basic paragraph styles, character styles, just enough screen markup to be useful, and is driven via an easy to use menu interface.

qmenu allows one to create menus for textual interfaces in an easy and intuitive way. Each menu is defined in a file describing the visual appearance and the menu items using a simple syntax.