Klaviyo is the best in class email marketing solution for eCommerce. It's powerful because it connects to your store, and you can create awesome customer segments based on past purchasing behaviors, customer preferences, and even future predictions of spending.
AddShoopers tracks all of the product sharing activity that occurs on your store and identifies influencers. Some key features are: "sharing buttons" (add social sharing buttons to your product pages), "social rewards" (incentivise sharing with a coupon) and ROI Tracking.
Shopify is a commerce platform that allows anyone to set up an online store and sell their products. It's the go-to eCommerce platform for young direct-to-consumer brands. It's ease of use and setup is what's most attractive to merchants, but also the incredibly vast Shopify app store.
Lucky Orange is an analytics tool for eCommerce. The most popular features include automated recordings, heatmaps and conversion funnels. Lucky Orange will automatically create a recording of every visitor and segment recordings so you can see exactly why visitors are not converting.
A free plugin that offsets your carbon footprint at checkout. Their algorithm determines the exact cost of offsetting the emissions from manufacturing & shipping of each order - and customers have the option to check a box to make their order carbon neutral, usually adding 1-2% to their total.