Puck is a GNU/Linux distribution based on TinyCoreLinux. It contains top penetration testing tools like Wireshark, Nmap, NetCat, John the ripper, Yersinia, THC-Hydra, etc while still remaining tiny in size.
You can download it from the following link: https://packetstormsecurity.com/files/download/91526/puck.iso
Source: https://packetstormsecurity.com/files/91526/Puck-GNU-Linux-Distribution.html