Online Tools

• http://www.md5decrypter.co.uk/
• http://crackstation.net/
• http://www.onlinehashcrack.com/free-hash-reverse.php
• https://www.owasp.org/index.php/Cheat_Sheets 
• http://cracker.offensive-security.com/ 
• http://www.objectif-securite.ch/ophcrack.php 
• http://pentestmonkey.net/
• http://www.showmycode.com/
• http://vulnhub.com/ 
• http://oco.cc
• http://www.r57.gen.tr