Active Ports monitors all open TCP and UDP ports on a local computer.
Simple Port Tester is a neat application created to test TCP and UDP ports.
Monitor open TCP and UDP ports and applications that open them on your PC.
upRedSun and iForwarder, Inc.
It will let you port forwarding to multiple IP addresses at the same time.
Verigio Communications Inc.
Multi Port Forwarder enables you to redirect requests to another IP and port.
COM Port Data Emulator is a tool for emulating a com port or an Ethernet device.
Sets itself up to listen on TCP and UDP ports commonly attacked over the internet. A total of 50 por....
Freeware security configuration utility for Windows.
Can close TCP/UDP ports 135, 137-139, 445 and....
This DNS monitor does a simple lookup against both the TCP and UDP ports.
It's a program designed to inspect system TCP and UDP ports and find open ones.
Global Web Monitor
Scans about 400 ports a second. It supports both the TCP/IP and UDP protocols. Select address range....
Use this software to open server side TCP/UDP Intelligent (proxy) ports.