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Serial Com Port Splitter


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Free Serial Port Monitor COM Port Stress Test COM Port Data Emulator HS COM
Free Serial Port Monitor, RS232 Com Sniffer Stress testing of COM/RS232 ports made easy! Easy and hassle-free COM port data emulation HS COM 1.1 Serial Communications C Source Lib


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

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!

Free - AGG Software


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.

Free - Hillstone Software


HS COM is a software library (with full C source code) that allows a calling user application to access serial communication ports (COM devices) under 32-bit MS Windows operating systems. It allows to transmit data, receive data and control the line.


Free Virtual Serial Ports Emulator

Free Virtual Serial Ports Emulator
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. Unlike regular serial ports, virtual devices have special capabilities: the same device can be opened more than once. Using VSPE you can share physical serial port data between several programs, create virtual pipes and so on.

rs232, port, serial, device, data, testing, com port, stress test, emulator, system, driver, digital




HW VSP is a free virtual serial port driver.

HW VSP
Free - HW group

HW VSP adds a virtual serial port (COM5) to the system and redirects all communication over TCP/IP to remote IP address. HW VSP is free in unlimited version, it supports Windows 2000 and XP. HW VSP works with any TCP/IP device, it can work as a TCP server as well as a TCP Client. HW VSP supports remote RS232 port control (speed, parity, stop bits, etc..) over the RFC2217 (NVT).

rs485, video, analyzer, activity, viewer, modem, traffic, reader, test, sniffer, communication, view


NCD relay controllers offer computer control

NCD Device Development Lib
Free - National Control Devices

NCD Devices Development Lib supply powerful ActiveX for all NCD 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.

packet, analysis, monitoring, connection, transfer, capture, ports, monitor, analyze, load, stress, sms dll




ActiveX DLL that sends/receives SMS via GSM

ActiveSMS - OCX
Free - Net Sphaera S.n.c.

ActiveSMS is an ActiveX DLL that allows you to fully handle GSM, GPRS, HSCSD and UMTS terminals. Developers can integrate the following features in their application: Reception and forwarding of text messages Reception and forwarding of Flash messages. Multiple forwarding of SMS. Status report handling. Voice call handling (both incoming and outgoing). Reception and forwarding of binary messages. Handling of phonebooks.

control, switcher, servo, anolog, home automation, relay driver, relay, motor, motion, relay controller, industrial automation, light dimmer


ActiveX DLL that sends/receives SMS via GSM

ActiveSMS - SMS ActiveX
Free - Net Sphaera S.n.c.

ActiveSMS is an ActiveX DLL that allows you to fully handle GSM, GPRS, HSCSD and UMTS terminals. Developers can integrate the following features in their application: Reception and forwarding of text messages Reception and forwarding of Flash messages. Multiple forwarding of SMS. Status report handling. Voice call handling (both incoming and outgoing). Reception and forwarding of binary messages. Handling of phonebooks.

serial communications, asynch communications, win32 serial, win32 com, tcp ip, emulate, windows, splitter, controller, umts, sms visual c, activex


HsSmsDLL Library (GSM 07.05) - Secure SMS

HS SMS DLL (GSM 07.05)
Free - Hillstone Software

HsSmsDLL is a Windows DLL enabling applications to send, receive, read and delete SMS messages via a GSM modem attached to COM port, according to GSM 07.05, 03.40. The library includes integrated encryption AES, DES, 3DES, ARC4, CAST128, Blowfish,Twofish optionally applied to SMS text. HsSmsDll is designed for use from Visual C / C++, VB (v6 and 2003), C# .NET and other programming languages. Professional License includes full C source code.

gsm dll, short message system, gsm terminal, gprs ocx, sms vb, gsm ocx, sms server, sms net, sms activex, gprs activex, sms ocx, sms visual basic


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