
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: Knit Pay is a free online invoicing and payments platform for freelancers and small businesses. It allows you to create professional invoices, receive online payments, track expenses, and manage clients all in one place.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API