Ecwid
Ecwid offers the performance and flexibility you need, with none of the hassles you don't. It's free. Can be easily integrated to any existing site in minutes. Can be mirrored on many sites at the same time. Add your store to many sites, manage from one place. Integration with social networks. Run your own store on Facebook, mySpace and many others. Simple to use and maintain. Both for store owner and for customer. Lightning fast. New-gen technologies make Ecwid much faster than usual shopping carts despite which hosting service you use. Seamless upgrades. You just wake up one day and enjoy new features. And more than 100 other features.
