EDraw Max is the offering on Giveaway of the Day today (8/19/08).
It appears to be the flagship program offered by the devs of EDraw Flowchart which was recommended by Veign and a few others for flowcharting and other similar tasks:
Program's website: http://www.edrawsoft.com/EDrawMax.php
Once again, it's free at http://giveawayoftheday.com on August 19, 2008.
And for those who are wary of installing from giveawayoftheday for whatever reason, download the zip file from giveawayoftheday and look in the readme.txt file for the registration info, and then download the trial from the developer's website. Then just register it like normal.