It was created by Ewout A. Kozel. This web tool generates grid systems in valid css/xhtml for rapid prototyping, development and production environments. The grid system generators offer the ability to customize the width, no. of columns and margin(s) to allow more flexibility for various designs.
And you can preview and download with free of charge.
Source:
http://www.gridsystemgenerator.com/
Don’t forget to check the ultimate resource in grid systems at http://www.thegridsystem.org/
