3
HW group
1,723
Freeware
HW Virtual Serial Port allows creating virual serial port drivers.
4
PCWinTech.com
1,300
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
16
PCWinTech
8,594
Freeware
Simple Port Forwarding works with WebPages and not directly with your router.
1
Serial Port Tool
125
Freeware
Comm Operator Pal is a free tool to test and debug RS232 devices.
40
Serial Port Tool
165
Shareware
Professional debug tool for serial port, TCP/IP, UDP, I2C, HTTP communication.
1
Serial Port Tool
4
Shareware
Comm Operator NCD Edition can detect all COM ports automatically.
40
JPSoft DK
119
Freeware
How wide open is your computer?With LPS you're able to check your computer foropen or listening port....
1
FreeConvertSoft
4
Freeware
IP Port Scanner allows you to find security holes and check a host or IP.
2
RouterAider Software
399
Shareware
Router Port Forwarding is a port forwarding and port triggering tool for router.
3
Oshon Software
49
Freeware
Parallel Port PIC Programmer uses PC's parallel port for communication.
2
AGG Software
838
Freeware
COM Port Data Emulator is a tool for emulating a com port or an Ethernet device.
4
AGG Software
681
Freeware
COM Port Stress Test is a tool for testing a COM or RS232 port (device).
Gonsoft, Inc.
6
Shareware
1st Net Scanner is a useful IP Finder and Port Finder. It builds IP finder, port finder, IP scanner...
TAPR
8
Freeware
The vnar performs measurements on one port or two port networks.
18
ELTIMA Software GmbH
59
COM Port Redirector enables data redirection from one rs232 port to another.