BlackArch is a ArchLinux based distribution focused on security, it is a competitor of Kali Linux, the Linux Security focused distribution for ArchLinux users.
BlackArch contains around 2000 tools for security or hacking purposes.
BlackArch Linux is an Arch Linux-based penetration testing distribution for penetration testers and security researchers. The repository contains 1942 tools. You can install tools individually or in groups. BlackArch Linux is compatible with existing Arch installs.
You donate BlackArch team trough the official website.