Wink - Free software for creating Tutorials

Need to have the functionality of Adobe Captivate or Camtasia but don't have the bucks?  Wink is a tutorial and Presentation creation software, primarily aimed at creating tutorials on how to use software (like a tutor for MS-Word/Excel etc). Using Wink you can capture screenshots, add explanations boxes, buttons, titles etc and generate a highly effective tutorial for your users.  
You can download Wink at:
http://debugmode.com/wink/