Nast is a packet sniffer and a LAN analyzer. It sniff packets and save data in files, checks NIC in promisc mode,build LAN hosts list, find a gw,performs a port scanning, catchs daemon banner etc... It also provides a GTK/ncurses interface.
portsman is an ncurses based, graphical front-end to manage the FreeBSD (NetBSD & OpenBSD planned) ports collection(s). It behaves like a package manager and comes with many features.