On quite a few of the giveawayoftheday, I give it a miss, but today's offer may be worth mine and your trouble. Maybe it's because it's normally for sale at $199.
Giveaway of the Day - free licensed software daily. HelpSmith - The Help Authoring Tool.
"HelpSmith is an innovative help authoring tool allowing you to easily create CHM HTML Help files and Printed Manuals. The HelpSmith’s ultimate toolkit with its visual approach takes the process of writing technical documentation for your software to a new quality level."
http://www.giveawayo...heday.com/helpsmith/ 
