ecommerceONGR - A toolkit built for Symfony to make development of transactional websites Fast and Easy
altcoinCCXT - A JavaScript / Python / PHP cryptocurrency trading library with support for more than 100 bitcoin/altcoin exchanges
ecommerceMedusa - Headless commerce platform built for developers, open-source alternative to Shopify
e-commerceNinjas Shopping Cart - A full-fledged package to build an e-commerce application for iOS and Android similar to Myntra/JackThreads