Topic Research by SEMrush - Content ideas that resonate with your audience
Skuuudle - Discover, match and monitor your eCommerce competitors.
productboard - Beautiful and powerful product management.
Price2Spy - Price2Spy is a price monitoring, pricing analytics, and repricing tool, meant to help eCommerce professionals keep an eye on their competitors or retailers.
Design Research Technique - Huge repository of design techniques for every project stage
Prisync - Prisync is a competitor price tracking and monitoring software for all sizes of e-commerce companies worldwide.