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/)