
Description: PayPal is an online payments system that allows users to transfer funds electronically between parties. It offers services for individuals and businesses to send, receive, and hold funds in multiple currencies worldwide.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Google Checkout is an online payment processing service that allows merchants to accept online payments. It allows customers to pay using credit cards, debit cards or Google Wallet without creating an account on the merchant's website.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API