Anonymous Hackers released their own Operating System with name "Anonymous-OS", is Live is an ubuntu-based distribution and created under Ubuntu 11.10 and uses Mate desktop. You can create the LiveUSB with Unetbootin.

Pre-installed apps on Anonymous-OS ?

- ParolaPass Password Generator

- Find Host IP

- Anonymous HOIC

- Ddosim

- Pyloris

- Slowloris

- TorsHammer

- Sqlmap

- Havij

- Sql Poison

- Admin Finder

- John the Ripper

- Hash Identifier

 - Tor

- XChat IRC

- Pidgin

- Vidalia

- Polipo

- JonDo

- i2p

- Wireshark

- Zenmap

…and more

Download Anonymous-OS 0.1

Warning : It is not developed by any Genuine Source, can be backdoored OS by any Law enforcement Company or Hacker. Use at your own Risk.

Update: Another Live OS for anonymity available called "Tails". Which is a live CD or live USB that aims at preserving your privacy and anonymity.It helps you to use the Internet anonymously almost 
anywhere you go and on any computer:all connections to the Internet are forced to go through the Tor network or to leave no trace on the computer you're using unless you ask it explicitly, or use state-of-the-art cryptographic tools to encrypt your files, email and instant messaging. You can Download Tail from Here

Note: This tutorial is only for Educational Purposes, I  DO NOT take any responsibility of any misuse, you will be solely responsible for any misuse that you do. Hacking email accounts is criminal activity and is punishable under cyber crime and you may get upto 40 years of imprisonment, if got caught in doing so.