Marketplace for SharePoint by ACAR
Customizable Microsoft SharePoint based Marketplace System. Post your items, start selling and buying any items. It's your place to buy what you want, sell what you have, and make a few friends while you're at it.
Marketplace for SharePoint enables you to fully automate your entire selling and buying process at your company. You can create just this site collection by using the Marketplace Site Template. A Windows Installer Files (.msi) installs the Site Collection and it is out of the Box usable with to additional configuration. You just allow the users access to the Marketplace Site and they can start to sell and buy any items by posting a title, description, image and price. And you can post your item to the listing. It's your place to buy what you want, sell what you have, and make a few friends while you're at it.