Algolia is search software to improve your in-store search experience, increase conversions and order value. Algolia connects to your product catalog, to provide a frictionless search and navigation experience. Create custom logic to promote specific results and merchandise your collection pages.
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.
Segment is a Customer Data Platform (CDP). They provide a service that simplifies collecting and using data from the users of your digital properties (websites, apps, etc). With Segment, you can collect, transform, send, and archive your first-party customer data.