BlackArch Linux is an unofficial lightweight expansion to Arch Linux for penetration testers and security researchers.
The repository contains 630 tools. You can install tools individually or in groups. BlackArch is compatible with existing Arch installs and provides multiple live ISOs.
Setting up as an Unofficial User Repository
Please see the installation instructions here: http://blackarch.org/download.html
BlackArch also provides multiple live ISOs. You can download them here: http://blackarch.org/download.html#iso
Here is a summary of the best places to learn more, communicate, and get involved: