- A Google HTML5 slide template
- Impress.js, one of the coolest looking options available
- deck.js, which has many plugins
- The classic s5 from eric Meyer.
- S9, a ruby based html/js slideshow generator
- reveal.js is a 3d slideshow. Added 1 August 2012
I’m sure I missed some options, let me know in the comments so I can check them out and add them to the list.