http://www.alessandromazzanti.com/2014/05/kali-linux-penetration-test-e-forensic.html
Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing. It is maintained and funded by Offensive Security Ltd. Mati Aharoni, Devon Kearns and Raphaël Hertzog are the core developers.
Kali Linux includes security tools, such as:[13]
- Aircrack-ng
- Burp suite
- Cisco Global Exploiter, a hacking tool used to find and exploit vulnerabilities in Cisco Network systems
- Ettercap
- John the Ripper
- Kismet
- Maltego
- Metasploit framework
- Nmap
- OWASP ZAP
- Social engineering tools
- Wireshark
More details could be find here:
Finally I would mention that Mr Ghaznavi-Zadeh published a chapter from his book "Kali Linux – A guide to Ethical hacking" and it is available for free here:
Finally here it is Kali Linux video website presentation:
[update 2020.04.23]
here it is a web app scanner, free and open source.
https://www.zaproxy.org/