Pound is a reverse HTTP proxy, load balancer, and SSL wrapper. It proxies client HTTPS requests to HTTP backend servers, distributes the requests among several servers while keeping sessions, supports HTTP/1.1 requests even if the backend server(s) are HTTP/1.0, and sanitizes requests.
You can download it from the following link: https://packetstormsecurity.com/files/download/108220/Pound-2.6.tgz
Source: https://packetstormsecurity.com/files/108220/Pound-Reverse-HTTP-Proxy-2.6.html