FatFreeCart Plugin allows you to add “Add to Cart” and “View Cart” buttons on your blog posts so that you can sell your products straight through your blog post. The shopping cart plugin is designed to work within your WordPress post editor. With FatFreeCart you can create your own e-commerce store. FatFreeCart plugin has all the features of FatFreeCart such as easy integration with PayPal and Google Checkout, product variations, Shipping handling, and Sales Tax.
Free Download: Download this wp-plugin