Link Shed

// nice article on how to use git on dropbox
Using dropbox as a private github by Jimmy Theis

// fantastic book on git
Pro Git by Scott Chacon and Ben Straub

// want to learn about web design (and a lot of other cool stuff)
Lynda it's not for free but definitely worth the money
Learnable all about web design and like the above

// responsive webdesign
smacss css style guide (free and payed content)
HTML5 Boilerplate html template, css reset ...
Modernizr JavaScript Library for detection of HTML5 and CSS3 features