Shows how easy it would be to gain unauthorized access to a system
VanitySearch is a Bitcoin address prefix lookup tool.
Solving the Satoshi Puzzle
Decode various cryptocurrency addresses
Klotsky class block slider puzzles.
A Windows password cracker based on rainbow tables
Open Source Security tool to audit hashed passwords.
Python Based Brute Force Password Cracking Assistant By Clownsec
Password protected zip file cracker.
Perl Hacking Tools (BackTrack)