Michael Golikov
44
Shareware
TCP Port Toolkit is a protocol, data, and timing analyzer.
3
HW group
1,729
Freeware
HW Virtual Serial Port allows creating virual serial port drivers.
45
HHD Software, Ltd.
1,098
Freeware
It allows you to create virtual serial ports and emulate their behavior.
4
Eterlogic Software
187
Freeware
VSPE is intended for engineers and developers to create/debug/test applications.
9
Nsasoft LLC.
2,777
Freeware
List available hosts, open ports, and their characteristics.
2
Jamshaid Faisal
173
Open source
Process And Port Analyzer is a packet viewer and sniffer.
1
Hristo Nikolaev
3
Open source
B&W Port Scanner is a program that will scan your TCP ports.
40
Serial Port Tool
166
Shareware
Professional debug tool for serial port, TCP/IP, UDP, I2C, HTTP communication.
2
Alphatronics
10
Shareware
Capture printer output that would normally go to a communications port like LPT1.
2
Flachmann & Heggelbacher
930
Shareware
Establishes TCP connections, accepts a TCP connection on a local port, etc.
IDT Corporation
68
Freeware
The dialer uses one local UDP port and one local TCP port.
4
Lev Walkin
6
Shareware
Emulate a TCP/IP network.
37
NetworkActiv
84
Shareware
NetworkActiv AUTAPF is a UDP and TCP port forwarder.
24
SteelBytes
55
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.
