Web Design Web Tool Kit

On-Line Editor/Coding Sandbox

http://codepen.io

Favicio Maker

http://favicon-generator.org/

Color

http://paletton.com/

http://color.adobe.com

CSS3

http://css3generator.com/

http://www.cssmatic.com/

http://www.borderradius.com

Picture Slider

http://www.imageslidermaker.com

Menus

http://www.cssportal.com/css-menu-generator/

www.cssportal.com/css3-menu-generator/

http://www.generateit.net/menu-generator/

Code Validation

http://www.ivalidation.net/

Fonts

http://www.dafont.com/

http://www.efonts.co/