Prototype Bootstrap-based apps using your favorite presentation tool. The following vector UI components have been designed from scratch in Apple Keynote, Microsoft PowerPoint and OpenOffice Impress, and are fully editable and customizable without needing any additional design tools.

Free stencils to make interactive prototypes and website wireframes in Apple Keynote

As a result, I bring you Manila, a Keynote theme I made featuring black Helvetica Neue on a soft-yellow background. I’m about as far from a designer as one can possibly be, but I’ve used this theme in the past and people seemed to like it.

Blank.kth works with Keynote ’08, features tasteful blue fills in charts, includes no goofy images, and defaults all text to Helvetica Neue. To install, unarchive the zip file and drag the .kth file to ~/Library/Application Support/iWork/Keynote/Themes/.

PDF to Keynote converts PDF-based presentations (e.g., made using LaTeX with Prosper, Beamer or foiltex) into Apple's Keynote format.
Once translated into Keynote format, every page of your original PDF file becomes a PDF image, properly scaled and centered on its own slide. Although intended for presentations, you can also use it to create slides for the pages of regular documents.

The 6 sites I'll be using to follow #wwdc #keynote: