HyperCard clone that works inside the browser. Creates portable HTML files.

Decker is a multimedia platform for creating and sharing interactive documents, with sound, images, hypertext, and scripted behavior. You can try it in your web browser right now.

This is a short guide about how I make PDF slides using beamer format output from the pandoc.

"This web-based audience response system lets you embed interactive activities directly into your presentation"

generates slides for presentations on the fly from wiki-style text markup.