Is there a addon for a "master' catalog of shops?

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I hope I can explain this well, but this is what I am looking for:

I am looking for an addon/mod that has a master catalog of products from several oscommerce shops.

In other words, say I have 15 different oscommerce shops independantly operated:

1. I want this master catalog to display/search "All/any" items with categories on the master catalog.

2. Once an item is clicked, it directs that person to the appropriate catalog item located on the remote site.

3. Can display stats from each online shop.

4. Featured shop of the day, etc..


Is there a script available that can do this? Is there a script that can even pull data from other oscommerce shops?