About Kali Linux About the Kali Linux Distribution Kali Linux is an open source project that is maintained and funded by Offensive Security , a provider of world-class information security training and penetration testing services. In addition to Kali Linux, Offensive Security also maintains the Exploit Database and the free online course, Metasploit Unleashed . Kali Linux Core Developers Mati Aharoni ( muts ) is the lead Kali developer, trainer and founder of Offensive Security . With over 10 years of experience as a professional penetration tester, Mati has uncovered several major security flaws and is actively involved in the offensive security arena. Devon Kearns ( dookie ) is an Offensive Security instructor, Kali Linux developer, the administrator of the Exploit Database , co-creator of...