Attraqt

Attraqt is a really cool tool for merchandising, allowing you to quickly balance product pages into ordered, complementary displays across a number of bases. This applies equally to factors like colour and style as it does to brands, which can be balanced to ensure more accurate product collections and presentation. For those with experience in merchandising in the offline world, Attraqt feels like a suitable proxy for that. For those without prior experience, the software is easy enough to use, so you can produce results reasonably quickly.

http://www.attraqt.com