1. Aircrack-ng
2. Burp Suite
3. Defendify
4. Gophish
5. Have I Been Pwned
6. Kali Linux
7. Metasploit Framework
8. Nmap
9. Nikto
10. Open Vulnerability Assessment Scanner
11. OSSEC
12. Password managers
13. PfSense
14. P0f
15. REMnux
16. Security Onion
17. Snort
18. Sqlmap
19. Wireshark
20. Zed Attack Proxy (ZAP)