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: w3af is an open source web application security scanner. It helps developers and security researchers identify and exploit vulnerabilities in web apps. w3af is designed to find XSS, SQLi, RCE, and other common web app vulnerabilities.
Type: software
Pricing: Open Source