IP-Tools
20 TCP/IP utilites in one program: Local Info, Connections Monitor, NetBIOS Scanner, Shared resources Scanner, SNMP Scanner, HostName Scanner, Port Scanner, UDP Scanner, Ping Scanner, Trace, LookUp, Finger, WhoIs, Time Synchronizer, Telnet client, HTTP Client, IP-Monitor, Hosts Monitor, Trap Watcher, System Info. All this is available from an attractive tabbed interface you'll find easy to negotiate. Other features include multi-threaded operation, audio support, custom appearance, system tray support, etc.