Blue Apron

Hotjar is a behavior analytics and user feedback service that helps you understand the behavior of your website users and get their feedback through tools such as heatmaps, session recordings, and surveys.

Amplitude is one of the most advanced product analytics platforms that helps teams convert, engage, and retain customers. The platform uses behavioral reports to understand users' interactions with products and provides insights to accelerate work on a real-time basis.

Optimizely offers powerful, easy to use solutions, to test what messages, imagery, and offers help increase conversion, retention, and lifetime value.

Snowplow Insights is the best way to capture and process high-quality behavioral data from all your platforms and products and deliver that data to your cloud destination of choice.

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.