TuxMath is an educational game that allows you to practice simple arithmetic operations, such as addition, subtraction, multiplication and division. The game is a kind of SpaceInvaders in which the aliens have been replaced by meteorites that accompany a mathematical calculation that must be resolved before it strikes the ground. Tux, the Linux operating system m...

Animated Screensaver Maker is a very simple tool that lets you create screensavers by using an image and adding effects, such as moving water, to it. Anyone can use this easy-to-use program. All you need to do is pinpoint the place where you want the effect to begin, as well as the intensity of the effect. To activate the screensaver you must go to screen propertie...

FireBug is a really good add-on for Firefox that allows you to depurate the code of your webapps without having to close Firefox. Thanks to Firebug, you will be able to edit HTML code and check how it works instantaneously, without having to reload. That same action can be performed on stylesheets (CSS) and you'll also check changes on the fly. Firebug includ...