1)   Look RS232 4.3
Look RS232 is a tool for debugging computer connection with peripheral devices using COM port, such as modem, mini-ATS, projector etc. Its easy to use interface guarantees an easy work with Com-port.
rs232, rs 232, com port, serial port, monitor, debug, serial data transfer, external device, transfer,

 2)   Virtual Serial Port Kit 5.0.5
Virtual Serial Port Kit creates pairs of virtual serial ports in your system which are virtually connected to each other. Physical null modem cables are not required. You can connect any number of virtual port pairs. It's very useful for debugging.
virtual serial port, virtual serial port driver, debugging, data-logging, virtual com port, serial port, com port,

 3)   COM Port Data Emulator 2.5.0.16
COM Port Data Emulator is a unique tool that will be a great asset in the arsenal of any developer working with serial interfaces. It was created for emulating a COM or Ethernet device, generating a stream of data and sending it to a specific port.
emulator, emulate, COM, port, COM port, testing, stress-test, data, TCP/IP, UDP,

 4)   COM Port Stress Test 1.2.1.21
COM Port Stress Test is a compact and affordable tool for testing COM, RS232 and RS485 ports that generates an extremely fast data stream with alternating baud rate, flow control, RTS and DTR states. Try it right now and you won't be disappointed!
COM port, COM, port, stress, stress test, load, RS232,

 5)   Comm Operator NCD Edition 2.0
Comm Operator NCD Edition is a powerful tool for relay controller boards of National Control Devices. It supports Decimal Format and Auto Send function. It includes commands for ProXR relay controller boards.
serial port, NCD, ProXR, COM port, rs232 utility, relay controller boards, comm operator, debug tool,