
Description: HackerRank is an online platform that provides coding challenges and contests to help developers improve their programming skills. It offers practice problems across various languages and computer science domains like algorithms, machine learning, and security.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: EmployBlue is a cloud-based applicant tracking system designed for small and medium-sized businesses to manage their recruitment and hiring process. It allows creating and posting job listings, screening resumes, tracking applicants, conducting interviews, and making hiring decisions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API