Sellzone - Sellzone is the web-based platform, designed and produced by Semrush, that provides the tools to run the store and sell the products on Amazon successfully.
KeywordTool.io - KeywordTool.io is the best FREE alternative to Google Keyword Planner and Ubersuggest. It uses Google's autocomplete feature to get over 750+ long-tail keywords for any given query.
Sale Samurai - Sale Samurai is a web-based platform that provides the tools to manage the SEO of your e-commerce brand.
Google Trends - Explore Google trending search topics with Google Trends.
EtsyHunt - Backed by lots of top Etsy shop ideas, EtsyHunt builds tools that make Etsy SEO, products research, Etsy listing and tag optimization easy. Get it for free now!
Keywords Everywhere - Free browser add-on for keyword volume, CPC & competition