If you've come here for the free wireframe and storyboard graph paper, you might also be interested in these 4 great resources for free printable graphpaper with uses for craftmaking, math, science, and writing.
- Incompetech and PrintFreeGraphPaper
Generator that does a ton of different formats including some excellent specialty papers, e.g. music notation, perspective drawings, geometric grids, and more. - Print Free Graph Paper
Generator with graph papers for science and math e.g. polar, isometric, logarithmic, hexagonal, probability, and Smith Chart grids. - PocketMod
Small notebook generator that let's you print a customizable 8 page notebook from a single folded 8 1/2" x 11" sheet of paper. Add graph paper pages, to do lists, calendars, games, and RSS feeds. - Printable Paper
Several grid and lined paper including a bowling score sheet. Seems like scoring/stats sheets for a few other sports, e.g. baseball, might be a popular addition.