HEATKEYS

nopCommerce is the best Open Source online shop e-commerce solution. nopCommerce is available for free. It has everything you need to get started in selling physical and digital goods over the internet.

Microsoft

SmartStore.NET is a free, open source, full-featured e-commerce solution for companies of any size. It incorporates the newest Microsoft technology stack.

DotShoppingCart is a complete ecommerce & CMS open source solution. The integrated CMS allows you to publish the dynamic content web sites with no knowledge of web programming. Build, manage and customize your site with ease through the b...

TheBeerHouse is an ASP.NET 3.5 website which features a layout with themes, membership system, a CMS for publishing and syndicating articles, polls, mailing lists, forums, an e-commerce store, calendar of events and photo gallery.

Kartris is an open source ASP.NET 4.0 (web forms) e-commerce / shopping cart application. Optimized to handle 1,000,000+ SKUs with unlimited languages.

Ohloh is an open source directory that anyone can edit. It features comprehensive metrics and analysis on thousands of open source projects.

nopCommerce is the open-source eCommerce solution. nopCommerce is available for free. It has everything you need to get started in selling physical and digital goods over the internet.