BackBox is a free Linux Operating System based on the most popular Linux distribution, Ubuntu. BackBox provides penetration testing, incident responce, computer forensics and intelligence gathering tools. The latest Release 4.1 includes many interesting changes.
BackBox is an Open Source and free project and the release includes features such as Linux Kernel 3.13, EFI mode, Anonymous mode, LVM + Disk encryption installer, privacy additions and armhf Debian packages. The distribution also includes large number of applications in the repository including LibreOffice office suit and many more.
The simple Ubuntu like boot screen allows to try BackBox without installing it.
Download BackBox 4.1
BackBox 4.1 is available for 32-bit and 63-bit systems. A Live DVD ISO image can be downloaded from the official website. They have set the donation to 5 but if you don't will to donate then set 5 to 0 and click donate. You can also download through torrent clilent by downloading .torrent file.