List of free web-design stuff for developerππ½
If you're looking for all programming tools around web-design (not just free). Check this page List of web-design Programming Tools

Dribbble
Dribbble is an online community and service for the exhibition of artistic content. It works as a self-promotion and networking platform for graphic design, web design, illustration, photography, and other creative areas
Tag: design, web-design, illustration