Ad Badger - Amazon PPC tool for optimizing campaigns
Jungle Scout - Amazon product research made easy.
Sellics - Sellics helps you to boost Your Amazon sales.
A2X - A2X automates ecommerce accounting for Shopify, Amazon, Etsy, Walmart and eBay sellers worldwide. Trusted by hundreds of leading ecommerce accounting firms.
NinjaSEM - PPC management software
Helium 10 - Our software contains multiple Amazon seller tools to help you find high ranking keywords, identify trends, spy on competitors, & optimize product listings.