Sneakpeekit: Design Wireframe Printable Sheets
Sneakpeekit is a free collection of printable PDF grids for design wireframing. It includes: 7 different templates (Precision Grid, Browser, 4-Up Browsers, 2-Up Mobiles, 4-Up Mobiles, Tablet and 4-Up Tablets).
It is very useful when you are at the very start of a project and need to speed up your creative process with pencil and paper. Download it now.