
Description: Stripe is an online payment processing service that allows individuals and businesses to accept payments over the Internet. It provides the technical, fraud prevention, and banking infrastructure required to operate online payment systems. Stripe aims to simplify payment processing with easy-to-use APIs and excellent documentation.
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