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: software
Description: Selenium is an open-source automated testing framework used to test web applications across different browsers and platforms. It can be used to automate tasks like testing user interfaces, validating functionality, performance testing, etc.
Type: software
Pricing: Open Source