In addition to the Linux terminal (command line), Kali Linux includes numerous security-hacker tools for information gathering, vulnerability analysis, wireless attacks, web applications, exploitation tools, stress testing, forensic tools, sniffing and spoofing, password cracking, reverse engineering, hardware hacking and much more.

Below are the top 25 Kali Linux tools (with key tools used in entry level Capture-the-Flag competitions in bold):

Reference:

Bitnami