Desktop Ruler
Price $14.95 only
Desktop Ruler is, just as its name indicates, a virtual ruler utility/tool for your desktop. It has customizable size, color, transparency, orientation and scale in pixels, centimeters or inches, as well as some other useful features like Precise Measuring Tool with adjustable zoom, capable of measuring on-screen distances in any angle, not just along the ruler, support for multiple monitors systems and customizable double-click action.