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 3.0
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, PHP, Delphi and VBScript.

 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)   MarshallSoft GPS Component for C/C++ 2.1
GPS component C/C++/C# library toolkit 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++,C#,VC.NET,MFC,C++ Builder.

 6)   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).

 7)   Comm Operator 1.0
Comm Operator simulates the rs232 device, such as GPS receiver, total station, and software related. It acts as a device as well as program. Using it, device can be developed without program. Application can be debugged and tested without real device

 8)   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++.

 9)   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)

 10)   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.

 11)   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.

 12)   IPCOMServer 3.0
IPCOMServer is a Telnet server that runs on the Windows 95,98 and ME platforms. It provides the user with a direct connection between a Telnet client and a given serial port (COM1..X).

 13)   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.

 14)   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.

 15)   Nexus Terminal 6.30
Nexus Terminal is a fast, flexible, inexpensive telnet client application for connecting Windows PC users to IBM mainframe, AS/400, and LINUX/UNIX systems via TCP/IP. Support for SSH, SSL and FTPS/SFTP. Easy installation and setup.

 16)   Adaptive Home Logic 2.00
Adaptive Home Logic is an advanced, highly flexible, easy to use home automation / remote access application that can seamlessly coordinate and control home lighting, HVAC, security and home theatre systems from your Windows XP computer + more!

 17)   MarshallSoft GPS Component for Visual Basic 2.1
GPS component VB library toolkit reads and decodes standard GPS NMEA 183 sentences from the RS232 serial port, as well as computes great circle distances and bearings. Runs as a background thread unattended. Works with Visual Basic and VB.NET.

 18)   Advanced Modem Data Logger 2.0.0.28
Advanced Modem Data Logger utilizes GSM, TAPI, AT modems to dial and capture a data from devices to files or to other targets. The program can use both AT and TAPI functions and write the data from several data points together.

 19)   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.

 20)   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.