David Buckley
10
Shareware
It is the missing link between devices that speak UDP on your network.
4
PCWinTech.com
1,305
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
4
AGG Software
694
Freeware
COM Port Stress Test is a tool for testing a COM or RS232 port (device).
2
RouterAider Software
403
Shareware
Router Port Forwarding is a port forwarding and port triggering tool for router.
2
AGG Software
855
Freeware
COM Port Data Emulator is a tool for emulating a com port or an Ethernet device.
8
DeviceLock, Inc.
284
Freeware
Active Ports monitors all open TCP and UDP ports on a local computer.
Stefan Zieker
78
Open source
Scriptable data terminal supporting serial port, UDP, TCP client/server, etc.
SimpleComTools
9
Shareware
VirtualCOM-UDP is a software based UDP/COM Port Redirector solution.
IDT Corporation
68
Freeware
The dialer uses one local UDP port and one local TCP port.
37
NetworkActiv
84
Shareware
NetworkActiv AUTAPF is a UDP and TCP port forwarder.
40
Serial Port Tool
169
Shareware
Professional debug tool for serial port, TCP/IP, UDP, I2C, HTTP communication.
1
DesertHail
ServerTalk lets you communicate directly with a TCP or UDP port on a server.
Comtrol Corporation
33
Freeware
A software for serial port communication, testing, monitoring and reporting.
jeremyjarrell
Open source
A port of the popular NUnitForms unit testing framework .