David Buckley
10
Shareware
It is the missing link between devices that speak UDP on your network.
79
Simon Tatham
190,152
Open source
Maintain and monitor your remote systems easily via SSH and Telnet protocols.
8
DeviceLock, Inc.
284
Freeware
Active Ports monitors all open TCP and UDP ports on a local computer.
4
PCWinTech.com
1,301
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
2
Jamshaid Faisal
173
Open source
Process And Port Analyzer is a packet viewer and sniffer.
9
Nsasoft LLC.
2,774
Freeware
List available hosts, open ports, and their characteristics.
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
166
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.