Cheops-ng is a Network management tool for mapping your network and monitoring your network. It has host/network discovery functionality as well as OS detection. It does a port scan of each computer to tell what services are running.
Saint Lawless is a pentetration toolkit. It will be part Cheops and part Nessus with an isometric game-like GUI. Saint Lawless will attempt to gain as much information about a network environment with the least amount of probes. Saint Lawless will also