Some standard ethical hacking tools include:
Nmap – Powerful network scanner for enumeration and service probing.
Metasploit – Exploitation framework with large database of exploits and payloads.
Wireshark – Network traffic sniffer and protocol analyzer.
John the Ripper – Password cracking tool for guessing credentials.
Aircrack-ng – WEP/WPA wireless encryption cracking suite.
sqlmap – Automated SQL injection tool for finding and exploiting database weaknesses.
Burp Suite – Web app security testing platform, with proxy, scanner, intruder etc.
Hashcat – Password recovery tool capable of brute force, dictionary, mask and other attacks.