Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.
PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller
Mixpanel - Mixpanel is the most advanced analytics platform in the world for mobile & web.
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
Matomo - Matomo is an open-source web analytics platform
Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.