CodeCanyon - Code Shop | 713 KB
Code Shop is a powerful widget, which allows you to sell coupon/voucher/license codes directly on your website (even if it is plain HTML-website). It handles payments through multiple payment gateways (PayPal, Payza/AlertPay, Skrill/Moneybookers, Authorize.Net, InterKassa, Perfect Money, BitPay and Stripe) and can be easily integrated into any webpage (no more difficult than insert Facebook Like button, check out steps 5-6 in "“Installation" paragraph). With this widget you don't have to install complicated shopping carts and create their design to match your website. Code Shop is the easiest and perfect way to distribute coupon/voucher/license codes and monetize website.
DEMO:
http://codecanyon.net/item/code-shop/5151134