AverageFinder - AverageFinder is an all-in-one product value tracking service for eBay that will provide all the information related to product selling and purchasing.
Jungle Scout - Amazon product research made easy.
Auction Price Finder - Check the current value of any item on ebay, based on the last sales.
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.
Bidvoy - Bidvoy is an effective product value tracking service for eBay that is providing complete requirements as far as auctions are concerned.
A2X - A2X automates ecommerce accounting for Shopify, Amazon, Etsy, Walmart and eBay sellers worldwide. Trusted by hundreds of leading ecommerce accounting firms.