Hack The Box - An online platform to test and advance your skills in penetration testing and cyber security.

Exploit Pack - Exploit Pack is an open source project security that will help you adapt exploit codes on-the-fly.

VulnHub - VulnHub provides materials allowing anyone to gain practical hands-on experience with digital security, computer applications and network administration tasks.

ZoomEye - Network mapping service

TryHackMe - TryHackMe is an online platform for learning and teaching cyber security, all through your browser.

Armitage - Armitage makes penetration testing easy by adding a GUI to the Metasploit framework