Balto - Easy feedback with screenshot / videos for your beta apps
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.
buddybuild - Buddybuild ties together continuous integration, continuous delivery and an iterative feedback solution into a single, seamless system. With buddybuild, you can focus on what matters most: creating awesome apps.
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.
Twitter Audience Insights - Loads of info about your followers, their interests, & more
Shopify - Shopify is a powerful ecommerce platform that includes everything you need to create an online store and sell online. Try it free for 14 days.