AmzScope - Find profitable products for sale on Amazon in one click, relying on statistics instead of intuition
Jungle Scout - Amazon product research made easy.
Helium 10 - Our software contains multiple Amazon seller tools to help you find high ranking keywords, identify trends, spy on competitors, & optimize product listings.
AMZScout - AMZScout extension will help you make a decision about picking a niche based on the actual data, not intuition.
A2X - A2X automates ecommerce accounting for Shopify, Amazon, Etsy, Walmart and eBay sellers worldwide. Trusted by hundreds of leading ecommerce accounting firms.
Egrow - Egrow is a free web-based tool specifically developed for Amazon sellers.