45
HHD Software, Ltd.
1,097
Freeware
It allows you to create virtual serial ports and emulate their behavior.
9
Nsasoft LLC.
2,775
Freeware
List available hosts, open ports, and their characteristics.
3
HW group
1,727
Freeware
HW Virtual Serial Port allows creating virual serial port drivers.
4
PCWinTech.com
1,301
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
8
DeviceLock, Inc.
284
Freeware
Active Ports monitors all open TCP and UDP ports on a local computer.
40
Serial Port Tool
166
Shareware
Professional debug tool for serial port, TCP/IP, UDP, I2C, HTTP communication.
2
Flachmann & Heggelbacher
927
Shareware
Establishes TCP connections, accepts a TCP connection on a local port, etc.
79
mep
34
Open source
TCPCOM32 is designed to be a serial port to TCP/IP connection mapper.
Ranat Ltd.
6
Freeware
Rander is CTI (Computer Telephone Integration) software for Panasonic PBX.
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.
24
SteelBytes
54
Shareware
TCP/IP port redirector with many features for the advanced user.
Gabriele Giorgetti
9
Open source
Knocker is a simple and easy to use TCP security port scanner.
DataSet
12
Freeware
A multi-threaded and fast TCP port scanner.
20
Coral Works, Inc.
5
Software-based TCP/IP port forwarder and network administration service.
