
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: iMocha is a skills assessment platform that allows organizations to create, deliver, and analyze skills tests for recruiting, training, and certifications. It offers over 2,000 pre-built assessments across various domains like software programming, data science, accounting, healthcare, retail, banking, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API