Top 15 Security/Hacking Tools and Utilities Darknet has a great list of tools that you might use if you were trying to check the vulnerability of your computer or a friend's computer that gave you permission. Darknet is a great resource if you are at all interested in hacking. Their moto is Don't Learn to Hack - Hack to Learn 1. Nmap I think everyone has heard of this one, recently evolved into the 4. in Public bookmarkswith computerdarknetfriendsgavelisttoolstryingvulnerabilityby 2 users