Top 10 Kali linux Toolkit

1. Information Gathering
2. Vulnerability Analysis
3. Web Applications
4. Password Attacks
5. Wireless Attacks
6. Exploitation Tools
7. Sniffing/Spoofing
8. Maintaining Access
9. Reverse Engineering
10. Stress Testing
11. Hardware Hacking
12. Forensics
13. Reporting Tools
14. System Services

Social-Engineer Toolkit (SET) is specifically designed to perform advanced attacks against the human element. Since there is no patch for human stupidity, this is why social engineering seems the biggest weapon for hackers. When social engineering toolkit combine with Armitage and metasploit then it can do wonders, you can test the security by hacking into Windows, Facebook and other OS and even web application.