The very useful Teehan+Lax IOS8 Sketch 3 Templates have been updated http://www.teehanlax.com/tools/iphone-sketch-app 2013 Tools for the iPad (including PSD) http://www.teehanlax.com/tools/ipad
37 Signals paper on Using Patterns in web design
Ryan Singer has written an interesting article, that is an introduction to using patterns in web design. The paper covers ways to group, prioritize, and organize similar items during mockups …