Intercom is a Conversational Relationship Platform. It shows you who is using your product or website and makes it easy to personally communicate with them with targeted content, behavior-driven messages, and conversational support.

Gorgias is of the most popular helpdesks for D2C brands. It centralizes all your support tickets in one place and enriches them with lots of extra context about a buyer's profile. Through Gorgias, you can connect directly to your eCommerce store and edit orders, modify subscriptions, and refund payments without leaving your helpdesk.

Zendesk is a customer support tool. It's got 2 main features: ticketing and knowledge base. Ticketing: Zendesk gathers customer queries in one place where you can manage and respond to customer questions efficiently. Knowledge base allows you to create an FAQ section to guide your customers.

FullStory tells you everything you need to know about your digital experience. Improve conversion rates by pinpointing where users struggle to move through your funnels and prioritizing your efforts based on severity of impact.

Heap is an analytics tool that automatically captures all user data on your site. A single snippet grabs every click, swipe, tap and pageview. Heap lets you learn everything about your customers: Who they are, what they do on your site and what actions correlate with conversion & retention.