PortsMonitor is a system utility for monitoring system TCP/IP network connections by application, and connections’ status. Also UDP, ICMP is supported.

View product introduction page: PortsMonitor

What’s new in PortsMonitor v1.4.0:

• Add helper tool for watching all ports opened in system

Notice: Because of sandbox policy, PortsMonitor will not sale on Mac App Store now, you can download or buy PortsMonitor from http://tickplant.com/portsmonitor/