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Virtual Serial Port Control


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Free Virtual Serial Ports Emulator HW VSP NCD Device Development Lib COM Port Stress Test
Free Virtual Serial Ports Emulator HW VSP is a free virtual serial port driver. NCD relay controllers offer computer control Stress testing of COM/RS232 ports made easy!


Free - Eterlogic Software


VSPE is intended to help software engineers and developers to create/ debug/ test applications that use serial ports. It is able to create various virtual devices to transmit/ receive data, share physical serial port data for several apps, and so on.

Free - HW group


HW VSP is a free unlimited virtual serial port driver for Win2000 and XP, redirecting all data from the virtual COM5 (for example) to a predefined IP address. The RFC2217 standards for remote RS232 serial port control are supported.

Free - National Control Devices


NCD relay controllers allow computer controlled switching from the RS232 serial port of a microcontroller or computer. NCD video switchers allow computer controlled multiplexing of audio or vide signals from the RS232 serial port of your computer.

Free - AGG Software


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!


NCD ActiveX Control makes it easy to NCD dev.

NCD ActiveX Control
Free - National Control Devices

The NCD ActiveX Control makes it easy to control NCD devices from any programming language that supports ActiveX. It supports most NCD Devices except graphic display products. With it, you may create a complex control application in minutes. The NCD ActiveX control works great with ANY version of Visual Basic, and even allows you to send and receive raw serial data via the serial port.

port, rs232, serial, device, data, driver, servo, anolog, home automation, control, relay driver, relay




The fastest VB form resizer control

ActiveResize Control Lite
Free - VBGold Software

VBGold ActiveResize Control is an intelligent VB form resizer that makes your VB applications completely resolution-independent, with absolutely no coding. It automatically resizes and repositions all controls (and fonts) on Visual Basic forms according to the screen resolution or when the form is resized. ActiveResize handles virtually any control including DBGrid, DataGrid, MSFlexGrid, MSHFlexGrid and all Sheridan Grids (SSDBGrid, etc.).

video, digital, motor, switcher, motion, relay controller, industrial automation, light dimmer, emulator, virtual, controller, splitter


Free Serial Port Monitor, RS232 Com Sniffer

Free Serial Port Monitor
Free - HHD Software

Free software serial port monitor, Com Rs232 sniffer with communication packet data analyzer. This monitoring utility can spy, capture, view, analyze, test com ports activity performing com port connection and traffic analysis with data acquisition and control. You can use this system as device interface testing tool, modem data transfer viewer and so on.

windows, redirect, client, pair, server, connect, stress test, com port, serial port emulation, serial over ip, serial over ethernet, virtual serial port




Bill Redirect Serial,File,TCP Port & Keyb

Bill Redirect Serial-File-TCP Port & KB
Free - Bill Production

Resident Tray System software for barcode scanner or other serial data capture devices that have a RS232 or Ethernet interface. This program will redirect to any direction Serial/File/TCP Port & Keyboard Buf. Features include: Debugger, run in System Tray, Configuration protected by PASSWORD,Macro Commands,Multi-Port, Protol control, Search and replace characters, can remove specific ASCII Characters. Simply the best redirect software available!

testing, load, stress, rs485, grids, resize vb controls, sheridan, vb form resizer, resize grids dbgrid, vb application resizer, ssdbgrid, mshflexgrid


Easy and hassle-free COM port data emulation

COM Port Data Emulator
Free - AGG Software

As a software or hardware engineer, you may often face situations when you need information about the ability of communication ports on a typical end-user system to handle large flows of data. If looking for a reliable and affordable COM port testing and analysis tool, look no further than COM Port Data Emulator! It was created for emulating a COM or Ethernet device, generating a data stream and sending it to a specific serial (COM) port.

vb controls resizer, resolution independent, ssoledbgrid, resize control, datagrid, resizer activex control, resize, msflexgrid, view, packet, analysis, monitoring


Simple RS232/UDP/TCP Client+Server terminal

Hercules SETUP
Free - HW group s. r. o.

Hercules SETUP is useful utility including terminal for the Serial port (RS232 or RS485), UDP/IP and TCP/IP (Client or Server). Implemented Serial Terminal works with the Virtual Serial Ports, and controls all serial port lines. You can also send macros to the device and log the communication to the file. It's only one .EXE file and no installation is required. It's distributed as freeware.

system, analyzer, activity, viewer, connection, modem, traffic, transfer, reader, test, capture, sniffer


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