2
Alphatronics
10
Shareware
Capture printer output that would normally go to a communications port like LPT1.
1
Awavo Software
129
Shareware
Awavo Com Port Monitor is a multifunctional serial port monitoring application.
1
Pikivirta
56
Freeware
It is a program that allows you to monitor your serial ports.
47
FreePortMonitor.com
11
Freeware
This is a free server and network port monitoring program for Windows systems.
2
Fluke Networks
37
Demo
The Switch Port Monitor utility provides visibility into network switches.
9
Nsasoft LLC.
2,775
Freeware
List available hosts, open ports, and their characteristics.
30
Windmill Software
4
Freeware
Data logger for RS232, TCP/IP, Modbus and RS485 + serial com port monitor.
IDT Corporation
68
Freeware
The dialer uses one local UDP port and one local TCP port.
BillProduction
19
Shareware
Bill Serial Port Monitor utility is a Serial RS-232 COM ports monitor.
37
NetworkActiv
84
Shareware
NetworkActiv AUTAPF is a UDP and TCP port forwarder.
DataSet
12
Freeware
A multi-threaded and fast TCP port scanner.
22
Foundstone Inc.
15
Freeware
A powerful connect-based TCP port scanner, pinger and hostname resolver. Multithreaded and asynchron....
2
10-Strike Software
80
Shareware
Send an ICMP packet (ping) to a device, connect to a required TCP port.
1
Mike Gavaghan
67
Open source
This tool is handy if you encountered unexpected TCP port conflict exceptions.
52
HHD Software
18
Shareware
Software serial port monitor Rs232 com sniffer with protocol logger and analyzer.
3
Joakim Ögren
607
Freeware
Free RS232 serial port monitor/sniffer software for Windows.