Coupon Carrier - Distribute unique coupons to your customers using email, custom links or chatbots.
AmzScope - Find profitable products for sale on Amazon in one click, relying on statistics instead of intuition
AMZScout - AMZScout extension will help you make a decision about picking a niche based on the actual data, not intuition.
SellerApp - Seller App’s Smart-Data helps for Amazon Growth, Calculate Profits, PPC Campaigns, In-depth Keywords & Product Research, Analyze Competition and more.
Jungle Scout - Amazon product research made easy.
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.