1. Nmap (Network Mapper) > https://nmap.org/

2. Metasploit Penetration Testing Software >  https://www.metasploit.com/

3. John The Ripper > http://www.openwall.com/john/

4. THC Hydra > http://sectools.org/tool/hydra/

5. OWASP Zed > https://www.owasp.org/index.php/OWASP_Zed_Attack_Proxy_Project

6. Wireshark > https://www.wireshark.org/

7. Aircrack-ng > https://www.aircrack-ng.org/

8. Maltego > https://www.paterva.com/web7/buy/maltego-clients.php

9. Cain and Abel Hacking Tool > http://www.oxid.it/cain.html

10. Nikto Website Vulnerability Scanner > https://cirt.net/Nikto2