SellerCenter - Store-oriented analytical tool
The Big Book of Churn - The definitive guide to customer churn reduction
MerchantSpring - Multi-channel analytics for Amazon, Walmart, eBay & Shopify
INQ.Social - Engage with customers & apply the data to marketing
Analyzify - Google tag manager and analytics app for your Shopify store
Postmark - Postmark is the easiest and most reliable way to be sure your important transactional emails get to the inbox. Simply & reliably parse recieved email to JSON for your webapp.