HTML slideshow tools
From S5 Project
S5 1.0, 1.1, and 1.2alpha2 can all still be found on Eric Meyer's site:
 Django S5
 Drupal S5
 Dokuwiki S5 Reloaded
 S5 reloaded
 Tiki Wiki CMS Groupware
http://doc.tiki.org/JQS5 (uses jQuery.s5)
 Plone S5
 spod5 (Perl POD to S5)
 HTML Slidy
Similar to S5, from W3C.
 HTML5 Slides
A slide presentation by Google using HTML 5 & CSS 3 features (e.g. CSS transitions). The Apache licensed presentation system is seemingly unnamed.
Generates HTML5 slides (see above) from markdown/rst documents.
from Scott Chacon; it's a little heavier in the sense that it requires interaction with a custom Sinatra web application to work properly, even though the underlying slides are still HTML and CSS.
A rough attempt at a web-based presentation editor. Works for basic use, but no updates in over a year. It produces an extension of the S5 format it calls "SLIM" (Slideshows Microformat). Includes the "Slime" engine to display these presentations.
 Slidy editor prototype
An old attempt at a WYSIWYG slide editor using contentEditable. Not in a usable state.
 Slideshow (S9)
Lets you create slide shows and author slides in plain text using a wiki-style markup language that's easy-to-write and easy-to-read. Supports S5, S6, Slidy, Google HTML5 Rocks, and other template packs.
 HTML5 Slideshow
A Lightweight HTML Based Presentation Tool, inspired by S5 and Html Slidy