[Christos Teriakis]

They'll never add such section here as they don't want to destroy the illusion "Buy vBulletin and get access to 100's of free....free... free adons/styles". How to say at a later time that some of them are commercial?

It reminds me a joke where a seller in a stree marke was saying "Get them all, are free... get them all are free... let that down Madam. It costs 5 Euros".

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So forget it, unless if you're a dreamer

Edited:
But even with a marketplace active, I believe that time is over. Give a look to the last xx addons. Of any coder. Difficult to find one with more than 50 installations (actually the average is about 20-30 installation). Some years ago most of the addons had reached this amount of installations in just one month.
And I'm not talking for bad addons. It happens even to very good ones. eg even if I'm talking hard for DBT for my own reasons, I admit that some of their new addons are very usefull, and the most usefull I was expecting to be the Forum Ads addon. All webmasters wanted such a plugin improve advertisments in their site. How many installations/downloads it has? At least some days that I seen it, it had 9 or 10. Unacceptable for such plugin.
And the underline note: You can seperate something that exists, and currently I don't believe that there is real/active market even for free addons.