Deck.js-boilerplate is a project mainly written in JavaScript, it's free.
The minimal starting point I use for new deck.js presentations
How to use:
Download deck.js and put the deck.js folder in this directory.
http://imakewebthings.github.com/deck.js/
Then all you have to do is edit the slides in index.html and open it in your browser.
Works fine served as a file rather than by a web server.