Drupal Commerce is described as 'is revolutionary software integrating commerce, content and community to create engaging Web experiences that bring e-retailers more traffic to drive more results' and is an app in the Business & Commerce category. There are more than 50 alternatives to Drupal Commerce for a variety of platforms, including Online / Web-based, Self-Hosted solutions, Linux, Windows and SaaS. The best alternative is PrestaShop, which is both free and Open Source. Other great apps like Drupal Commerce are WooCommerce (Free, Open Source), Wix (Freemium), OpenCart (Free, Open Source) and Shopify (Paid).
StoreHippo is the SaaS based E-commerce platform provides comprehensive solutions to startups, SMEs and corporates to set up their own online store and mobile web application without spending heaps and bounds on technology.
Duceplus is an impressive product from Technoduce which allow you to buy and sell under single platform. The site reflects up-to-date inventory management. The minimum re-order level can be triggered by the site.
Shopio is a next generation e-Commerce platform that enables small to medium sized businesses (SMBs) to promote and sell their products online at affordable prices without any technical knowledge or software installation.
Trovai.com is the platform to buy online or offline near your home. Created to help physical stores to survive in the era of Amazon, Ebay and the e-commerce giants Trovai.com is a platform that promotes km0 proximity commerce.
Zeus Cart is an incredibly stable & richly-interfaced, open source shopping cart and it's a simple E-commerce software package which allows, even a non-technical person to open an online store on the Internet, with minimal efforts.
MarketEngine is a multi-vendor marketplace platform developed and published by EngineThemes. With its WordPress-based, all-in-one marketplace software platform, MarketEngine helps businesses and developers create niche marketplaces in seconds.