Yep, that's that mod.

Anyway, that Free Worlds mod is freaking sexy...the Wikipedia article on it tells enough:
http://en.wikipedia.org/wiki/FreeWorlds

I'm tryin' that as soon as I get home...hehe...where do you put mods, anyway? Once you download them, that is...

Off-topic : It apparently seems that many other owners of Microsoft Games® Freelancer have equally requested a similar Support regarding the Installation of Modifications conceived for the above Entertainment Software, and that's why a Specialized Utility - Having been simply labelled "Freelancer Mod Manager" by its respective Author - has been developped in order to make this Procedure much easier for those willing to aggregate additional features towards their favorite game, which may explain why it has been so demanded on either Lancers Reactor or FilePlanet©, amongst other Locations being partly or entirely dedicated to the supported Product...