VevoCart is the powerful eCommerce platform. An ASP.Net eCommerce solution with full eCommerce features. A FREE version is totally free and good for production use. The commercial versions offer more more eCommerce features with full source code.

• Kartris ASP.NET Shopping Cart 1.3004
  Kartris is a fully-functional shopping cart system for the ASP.NET platform which is available with a free license (limited to 500 products) or a full license ($840) which unlocks...

• AbleCommerce 5.5.3
  A complete shopping cart - eCommerce solution with easy to use web browser based management system, allowing total control of the store from anywhere in the world

• X-Cart GOLD 4.3.2
  Shopping cart software trusted by thousands of successful business owners worldwide. Key features: Fast, Has Tons of Features, SEO friendly and Easy to Customize. NO annual or monthly fees, Full source code, Single-domain lifetime license, Free...

• ASP.NET Maker 10.0
  ASP

• ActiveWidgets 2.5.4
  Very fast AJAX datagrid and many high-quality javascript UI components make ActiveWidgets library one of the most popular commercial web development tools. ActiveWidgets javascript grid can work with very large datasets on the client-side without any loss of speed and supports complex visual layouts (fixed columns, multiple headers/footers) and...