Anyone using Internet Download Accelerator?

It used to be premium but now they have a free version for non-commercial use.
I came to know of this through Gizmo's site.

Code:
http://westbyte.com/ida/
WOT ratings are good
Code:
http://www.mywot.com/scorecard/westbyte.com
Trouble is the Browser defender report:
Code:
http://www.browserdefender.com/site/westbyte.com/
Can anyone can confirm if it is safe to use?
It is hosted on Cnet too, but it says trial version