wireframing


Steedicons

Vector Doodlekit Icons

Form design guidelines crib sheet

iOS Stencils for OmniGraffle

Android Interaction Design Patterns
Wirify: Create wireframes from web pages

Touch Notation

A wireframe kit for Google Drawings

iPhoneOS Design Stencil for iPhone and iPad

iPad Stencil for Omnigraffle

HTML Wireframe Tool

960 grid template for OmniGraffle

Mockingbird
Sketchy Axure Widget Library

iPhone 3G Stencil