PostHog - Open source product analytics on your infrastructure.
Amazon Pay - Amazon Pay is an online payment service that makes checkout on your site fast and secure for hundreds of millions of Amazon customers around the world.
Mixpanel - Mixpanel is the most advanced analytics platform in the world for mobile & web.
BlueSnap - BlueSnap is a global payment service provider powering the checkout process for eCommerce merchants...
June - Instant analytics reports, built on top of Segment
Chargent - Chargent is a Salesforce native credit card / ACH payment solution for one-time or recurring billing.