CSSload is a free and web-based application that can generate loading spinners/bars with pure CSS.

The application offers several (currently 6) loader types and they can be customized in means of color, size and animation speed.

It uses the animation, transitions and transforms capabilities of CSS3 and compatible with browsers supporting them.

If you have an ajax application and want it to rock, then you need a good looking ajax loader.

Ajax loaders are generaly simple animated gifs. Some popular types of loaders include Circle Ball, Kit, Indicator or the bar.

Ajaxload.info makes it easy to create more than 25 types of ajaxloaders with any color and speed you want.