ProfitGuru - ProfitGuru is the easiest way to find the most profits on Amazon.
Jungle Scout - Amazon product research made easy.
AMZScout - AMZScout extension will help you make a decision about picking a niche based on the actual data, not intuition.
AZ Gizmo - AZ Gizmo is your destination for powerful utilities for Amazon sellers.
Inventory Spy - Spy how many products remain on any Amazon Product’s offer listing page.
Egrow - Egrow is a free web-based tool specifically developed for Amazon sellers.