Description: Codewars is an educational community for computer programming. It offers code challenges known as kata which are ranked by difficulty. Users train on these coding challenges to improve their skills.
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