Halberd discovers HTTP load balancers. It is useful for web application security auditing and for load balancer configuration testing.
You can download it from the following link: https://packetstormsecurity.com/files/download/49409/halberd-0.2.1.tar.gz
Source: https://packetstormsecurity.com/files/49409/Halberd-Discovery-Tool-0.2.1.html