Jungle Scout - Amazon product research made easy.
SteamAlerts - Track prices and receive alerts when Steam games go on sale
A2X - A2X automates ecommerce accounting for Shopify, Amazon, Etsy, Walmart and eBay sellers worldwide. Trusted by hundreds of leading ecommerce accounting firms.
SnapUp - Wireframe faster / create amazing user interfaces
Helium 10 - Our software contains multiple Amazon seller tools to help you find high ranking keywords, identify trends, spy on competitors, & optimize product listings.
PriceCute - Keep up with your competition's pricing on Amazon