Well, I will not argue further, you contradict yourself a little on your page www.glass8.eu.
I'll say you what a colleague of mine said to me.
As Bigmuscle said, it is free software, but You are not allowed to publish pre-release/private builds anywhere. If it happens, Your account will be disabled.
As Bigmuscle said, it is free software, but if You don't pay, it is Nagware.
As Bigmuscle said, it is free software, You can pay, but You can't get support, because it is free software, because You make donation, not buy.
I think Bigmuscle is Big Liar. by: colleague