Good Gear Guide
In Pictures: 35 open source and free tools to mana...
33. Shipping SideKick
One way to save money on shipping is to ensure that you use the most cost-efficient service. To help small businesses figure out which service is best for business, Shipping SideKick provides United States domestic and international quotes from multiple carriers, based on your "to" and "from" details.
In Pictures: 35 open source and free tools to manage your online store