Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
Damn Vulnerable Web Application - Used to practice web penetration testing
OpenVAS - The Open Vulnerability Assessment System (OpenVAS) is a framework of several services and tools...
Hack The Box - An online platform to test and advance your skills in penetration testing and cyber security.
Burp Suite - Burp Suite is an integrated platform for performing security testing of web applications.
PentesterLab - Learn all about web hacking through online courses spanning the basics to advanced vulnerabilities