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.
Ecomhunt - Ecomhunt allows you to easily find products that are already proven to sell or how we like to call them Winning products! - in only a few clicks - it's time to stop guessing, start selling!
Cute or Not - From BuzzFeed: Is your pet good looking or ugly as sin?
DropshipScan - Product Research For Dropshipping - Find a winning product for your store!
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.
AliShark - Usually, you only see those top-selling products, leaving those hidden gems behind. With Alishark, It doesn't have to be a top seller to be spot anymore.