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: HyperCard was a software application released by Apple in 1987 that allowed users to create their own hypertextual information stacks to organize data like a database and develop custom applications. It pioneered many hypermedia concepts.
Type: software