The most popular open-source eCommerce shopping cart solution
Simple Modern Ecommerce in NodeJs. Using Mongodb.
RhinOS, CMS, Content Management System, Josep Sanz Campderrós
Open Source ASP.NET MVC Enterprise eCommerce Shopping Cart Solution
Peer-to-peer databases for the decentralized web
Free and open source ASP.NET shopping cart
Nash Operating System for Modern Ecommerce
A complete free web-based 3D interior planning script.
KonaKart Java eCommerce