PrestaShop - Create your online store with PrestaShop's free shopping cart software. Build an ecommerce website for free and start selling online with hundreds of powerful features.
FeedbackSpark - FeedbackSpark is in-product micro survey tool that helps product teams to remove guesswork from product development. Harness the voice of customer to drive product success.
OpenCart - A free shopping cart system. OpenCart is an open source PHP-based online e-commerce solution.s
Zazzy - Design and sell your own 3D printed jewelry
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.
Love & Robots - Create your own 3D printed jewelry & accessories online