Media Store by ExtStore
Media Store is a Joomla 3 extension developed by ExtStore Team that allows you to sell downloadable products such as documents, e-books, software, etc. and get paid via Paypal, Moneybookers and 2Checkout.
Media Store is the most flexibly developed component with SEO support, responsive design, easy administration. It also includes various plugins that support social share button, Disqus comment...