1)   Free Serial Port Monitor 3.31
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

 2)   ActiveComport Serial Port Toolkit 2.0
Serial port toolkit to enable applications or scripts to communicate with a modem or other serial port device. Features full com port control, binary and ASCII data transfer, support for RS 232 and RS 485 standards and ISDN modem support.

 3)   Docklight RS232 Terminal - RS232 Monitor 1.6
Docklight is a test, analysis and simulation tool for serial communication protocols (RS232, RS485/422 and others). * Simulating serial protocols * Logging RS232 data * Detecting specific data sequences * Responding to incoming data

 4)   ActiveComport Serial Port Development Kit 2.1
Serial COM port Communication SDK to add serial communications to your project. Communicate with a modem, scanner, printer or any other serial port device. Samples included for ASP, VB, VB .NET, VC++, VC# .NET, JavaScript and VBScript

 5)   Serial Monitor 6.23.00.3373
Software serial port monitor Rs232 sniffer with protocol analyzer and packet data logger. This monitoring utility can spy, capture, view, log, analyze test com ports activity performing com port connection and traffic analysis with data acquisition

 6)   MarshallSoft GPS Component for C/C++ 2.2
GPS NMEA component C++ and .NET library reads and decodes standard GPS NMEA 183 sentences from the RS232 serial port; computes great circle distances and bearings. Runs as a background thread unattended. Works with C/C++,Visual Studio,C++ Builder.

 7)   Comm Operator 4.5.0.116
It is a professional tool for serial port, TCP/IP, UDP communication application’s design, development, debug and test. It makes it more efficient for the development of hardware-software application, client-server as well as network application.

 8)   SimpleTerm Gold - RS232 Monitor / RS232 Terminal 5.0
SimpleTerm Gold is an advanced RS232 data analyser / visual scripter. View and send (all 256) ASCII/Binary data in an easy to read colour coded sequence. Macros and Visual Scripting support.

 9)   COMM-DRV++ 1.0
Easy to use professional serial communication C++ class library for Windows XP, Windows 2000, Windows Me, Windows 98, & Windows 95. Includes the ZModem, YModem, & XModem file transfer protocols. Supports Microsoft Visual C++ & Borland C++.

 10)   SoundGraffiti Dimmer 1.0.15
SoundGraffit - first really intellectual music light expose with DMX yield. The program convert input sound signal of microphone (line input) or winamp to yield signal representing DMX dimmer devices (Lamps, projectors and etc)

 11)   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.

 12)   NCD Command Tool for dos 1.0
The NCD.EXE allows you to control NCD products directly from a command line interface in DOS. NCD.EXE does NOT require 3rd party tools or components, as it speaks directly to DOS.

 13)   CommLog for CE 0.3
CommLog of 5dtool is a freeware used for record and monitor the data from serial port of PocketPC. It would be useful for record data from total station, GPS and other rs232 device connected to PDA.

 14)   MarshallSoft GPS Component for Visual Basic 2.2
GPS NMEA component Visual Basic and .NET library reads and decodes standard GPS NMEA 183 sentences from the RS232 serial port; computes great circle distances and bearings. Runs as a background thread unattended. Works with Visual Basic and VB.NET.

 15)   EzCom2Web 2.4
Lightweight HTTP server and a script engine (like PHP or ASP) in one application . It is a very good tool to control a device connected on a remote PC serial port with a web browser. You can build a complete web interface for your RS232 device.

 16)   SoundGraffiti HomeDisco 1.0.9
It is a unique vigorous intelligent music light expose, after computer steer of HomeDisco illumination. The program convert input sound signal to result signal (from LPT haven to uninvolved circuit on base triacs after lamps - up to 12 channels).

 17)   Advanced TCP IP Data Logger 2.5.0.43
Do not miss Advanced TCP/IP Data Logger - an all-in-one solution for network data collection and monitoring at an affordable price! Handle your data, adjust it to your needs and store it with ease and speed that you have never experienced before.

 18)   ByteWedge 2.0
Acquire data from electronic devices through an RS232 interface and input it directly into your database, whether it is MS Access, MySQL or any other ODBC-compliant database. Start collecting data in minutes using the visual step-by-step wizards.

 19)   PTZ Controller PPC 1.1
It is an application for Pocket PC to control PTZ camera. It runs on PPC2003SE, WM5.0 and WM6.0. It can control the PTZ camera through Pocket PC Compact Flash slot and control RS232/485/USB port with a converter. It supports 5 protocols.

 20)   Quick Timer High 1.0
Quick Timer High is high resolution timer for NCD ProXR relay boards. Quick setting and high resolution timer make it easy to use. It's quiet fit for accuracy control on light, science project, laboratory experimenter and home automation.