Softdog v1.21 – Softdog is a watchdog daemon that interfaces with the watchdog kernel drivers to reboot the computer in case it hangs.
You can download it from the following link: https://packetstormsecurity.com/files/download/13348/softdog-1.21.tar.gz
Source: https://packetstormsecurity.com/files/13348/softdog-1.21.tar.gz.html