
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: Groestlcoin (GRS) is a decentralized, open-source cryptocurrency that was launched in 2014. It uses a unique Groestl hashing algorithm to secure its network and validate transactions. The goal of Groestlcoin is to provide a fast, secure, and inexpensive payment system.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API