1
HHD Software
5,525
Freeware
This powerful program provides the monitoring functionality for your code.
47
FreePortMonitor.com
11
Freeware
This is a free server and network port monitoring program for Windows systems.
5
joku.lt
198
Freeware
A tool to provide a visual means to send and receive data through serial ports.
45
HHD Software, Ltd.
1,101
Freeware
It allows you to create virtual serial ports and emulate their behavior.
4
Eterlogic Software
190
Freeware
VSPE is intended for engineers and developers to create/debug/test applications.
4
PCWinTech.com
1,305
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
1
HW group
28
Freeware
Free, unrestricted Virtual Serial Port driver for any TCP/IP devices.
16
PCWinTech
8,612
Freeware
Simple Port Forwarding works with WebPages and not directly with your router.
1
Serial Port Software
419
Shareware
Serial Port Splitter grants simultaneous access to a COM port from several apps.
2
Jonas Kundra
245
Freeware
Free Serial Port Terminal is a handy and easy to use serial port terminal.
6
MiTeC
1,969
Freeware
It's a free multi-threaded Port, IP, NetBIOS and SNMP scanner.
Syhunt
109
Freeware
Free port scanner for analyzing network security or Internet exploration.
3
Joakim Ögren
608
Freeware
Free RS232 serial port monitor/sniffer software for Windows.
1
SEH Computertechnik GmbH
448
Freeware
It is a free application that can be used on print servers with a USB port only.
2
Cesar Strauss
10
Freeware
MinGW is a port of the free GCC compiler to Windows.
1
TechRepublic
68
Freeware
ScopeOnPC is a free software that uses the PC parallel port.
43
Odamex Dev Team
10
Freeware
Odamex is a free and open source port for the classic first-person-shooter Doom.
Cornell Microgravity Project
6
Freeware
Serial Port Communication is a free utility that allows you to communicate.
1
bobjob
Freeware
Make sure that the port address you choose is free.
