ProfitWell - SaaS Metrics for Stripe. Absolutely Free.
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.
Databox - Databox is Business Analytics platform that helps companies deliver insights and analytics anytime and anywhere.
BlueSnap - BlueSnap is a global payment service provider powering the checkout process for eCommerce merchants...
Chargent - Chargent is a Salesforce native credit card / ACH payment solution for one-time or recurring billing.
Payfirma - Payfirma offers payment processing and billing solutions.