It is the missing link between devices that speak UDP on your network.
COM Port Stress Test is a tool for testing a COM or RS232 port (device).
It is also a very handy utility during your LPT port development activities.
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.
Displays, logs and analyzes all serial port activity in a system.
COM Port Data Emulator is a tool for emulating a com port or an Ethernet device.
The dialer uses one local UDP port and one local TCP port.
ServerTalk lets you communicate directly with a TCP or UDP port on a server.
VirtualCOM-UDP is a software based UDP/COM Port Redirector solution.
NetworkActiv AUTAPF is a UDP and TCP port forwarder.
Serial Port Tool
Professional debug tool for serial port, TCP/IP, UDP, I2C, HTTP communication.
Scriptable data terminal supporting serial port, UDP, TCP client/server, etc.
It generates IP/ICMP/TCP/UDP traffic from clients to stress test servers.
It is an advanced serial port test, simulation and data analysis tool.
PFPortChecker is a useful and reliable port test application.
Posiflex Technology Inc.
Set port settings and design print test for various Posiflex POS printers.