What are some good freeware add-ons for SW?

Just starting to look around, I was wondering if people hadsome suggestions on good freeware or shareware add-ons to use forSolidWorks. In particular I was just looking around for add-onsthat made customizing property text easier by integrating a graphicUI in the left hand menu within SolidWorks. I'm sure there areprobably some other good ones out there too, any one havesuggestions?
SolidworksGeneral