PHP is not limited to creating just HTML output. It can also be used to create and manipulate image files in a variety of different image formats, including gif, png, jpg, wbmp, and xpm. Even more convenient, PHP can output image streams directly to a browser via GD.GD is mainly used for creating images at runtime.

Ruby on Rails
Ruby on Rails is a open-source web framework that's optimized for programmer hapiness and sustainable productivity. It lets you beautiful code by favoring convention over configurations.