ScreenRuler will display a ruler on screen which allows you to measure the other objects that you've there. It has the following features: * Horizontal and vertical measurement in 6 different metrics: pixels, centimetres, inches, picas, points, and as a percentage of the ruler's length. * Cusomizable colors and fonts. * Keyboard control for precise positioning. * Option for the ruler to stay always on top of other windows.

Wine is a free MS-Windows API implementation.

Quassel is a modern, cross-platform, distributed IRC client, meaning that one or more clients can attach to and detach from the central core. It's much like the popular combination of screen and a text-based IRC client such as WeeChat or irssi, but graphical.

qdacco it's a graphical application providing a frontend to DACCO, a free Catalan-English dictionary. It's a small desktop application using Qt as widget library.

ARandR is a visual front end for XRandR, which provides full control over the relative positioning and rotation of monitors, as well as saving and loading to/from shell scripts.