TCP Port scanner Multi threaded with possibility to scan 65535 TCP ports on an IP address. You can specify how many threads to run and the timeout. Further more it will tell you the MAC address of the target and the service running. For LINUX, Windows and Mac OS X.

• Tcp Port Scanner 1.5.1
  Tcp Port Scanner is the software that helps to find TCP opened ports

• Process And Port Analyzer 1.0
  A Process to port mapper, Active TCP and UDP connection viewer, Find out Which processes are using which ports

• SoftPerfect Network Scanner 5.3
  A free multithreaded IP, SNMP and NetBIOS scanner

• Network Scanner 1.2
  SoftPerfect Network Scanner is a multi-threaded IP, SNMP and NetBIOS scanner with a modern interface and several advanced features