Popular stencils
iPhone Sketch
This is a stencil for quick sketching of iPhone ideas. Use the outline for printouts so you can hand sketch as well. The symbols are meant as a check list for included features in your app development. Visit www.iphonepool.com and join in:-) Please leave a comment, nice to know if it's usable for others.
Web Flowchart
Charles Parcell has created a very slick set of stencils for website flowcharting that has just about every component you might use for a site, from Flash to PHP to .Net. And all of them in a unique, colored style. Awesome.
Clear / iPhone
This iPhone stencil includes various iOS user interface elements -- but every element is transparent so it can be used on any colored background to make attractive mockups for your iOS apps. Oh, did I mention that it's iOS7.
Advertising
Advertising stencil from the Design Stencil kit in the Yahoo! Design Pattern Library.
Charts and Tables
Charts and tables stencil from the Design Stencil kit in the Yahoo! Design Pattern Library.
Navigation and Pagination
Navigation and pagination stencil from the Design Stencil kit in the Yahoo! Design Pattern Library.
Storyboard characters
I use these characters lifted from http://www.google.com/googlebooks/chrome/ when I need to do a quick and dirty storyboard. Version 1.
Sketch wireframe
This stencil contains reusable shapes and elements for sketching wireframes or wireframing sketches whatever you prefer. This was done after realising that the sketch tools out there where quite closed in the elements they have and also its quite difficult to share your sketches digitally. You probably know what I am talking...more
Webalys - Icons
• A pixel precise icon collection created for interface designers and web designers. • These icons are easy to adapt to your own needs. They can be used for website wireframes, online application design, software interface mockup... • They are based on a precise 16 pixels grid, which means that they stay clear and have crispy...more