Adobe Captivate (http://www.adobe.com/products/captivate.html)

CamStudio (free) (http://camstudio.org/) 

Camtasia (http://www.techsmith.com/camtasia/) 

Jing (free) (http://www.techsmith.com/jing/) 

Screenr (free & hosted) (http://www.screenr.com/) 

Wink (free) (http://www.debugmode.com/wink/)