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: LeakedSource is a website that provided access to data from data breaches and leaks. It allowed users to search for their information to see if it had been compromised or leaked, but charged a fee to remove or protect their data. The service shut down in early 2017 after controversy around its practices.
Type: software