The data on FindNiche upgrades on hourly basis, so you always can catch out the trending niches and make the right decisions. It also serves with different filters, so it's quite user-friendly, especially when you find to search out some products related to some specific categories or countries. All in all, just try it out.
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.
Jungle Scout - Amazon product research made easy.
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!
Reviewbox - E-commerce data tool to monitor customer reviews, track online pricing, optimize AMS tools, and more from Amazon, Walmart, and other major online retailers.
AliInsider - Find Most Profitable Dropshipping Products in a Click! Analyze Competition, Check Saturation of Any Product, Find Top Suppliers & Target Markets.
A2X - A2X automates ecommerce accounting for Shopify, Amazon, Etsy, Walmart and eBay sellers worldwide. Trusted by hundreds of leading ecommerce accounting firms.