BAR is a full reservations system intended for the usage of small to medium-sized tour operators and travel agents. It includes full PNR management, inventory management for flights, hotels and rental cars, free (on request) bookings, agent tracking and commissioning, reporting, and travel document printing.
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.