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Null-modem cable is basically used for communication of two RS-232 `DTE` devices with each other. To create null-modem connection between the devices you need to use two computers or two serial ports of a single computer connected with null-modem cable. The both methods described above are expensive and difficult because of many reasons. The most reliable way to create null-modem connection is using of virtual serial ports emulated by virtual serial port driver and null-modem cable. Why do you need to emulate serial ports and null-modem connection? There are few main reasons to do it. Firstly, you don’t need to have two computers connected with real null-modem cable. Secondly, there’s no need in a single PC with several free serial ports and additional multi serial port devices which are expensive and bulky. To emulate null-modem connection Virtual Null Modem can be effectively used. The program emulates one or more couples of RS-232 serial ports connected via virtual null-modem cable. It is possible to create the unlimited couples of virtual serial ports on a single PC and connect them in any sequence using virtual null-modem cable. Usually you need to use virtual null-modem when you have two applications to be connected via serial ports. In contrast to ordinary connection you do not need any additional hardware (computers, physical serial ports, cables) to perform it. Virtual null-modem allows user emulate virtual null modem connection and run the two applications simultaneously on the same computer. Moreover, it is possible to emulate real-world situations by adding some errors to the data exchange which may occur during the physical null-modem connection. Owing to its features set Virtual Null Modem can sufficiently ease the work of software developers and testers occupied in the field of industrial automation. Furthermore, the program may also be useful in the reverse engineering as well as in educational needs. So go ahead and download FREE trial version now!

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» Home » Utilities » System Utilities (1552)

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» ipCompiler

IPCompiler is a network diagnosis Tool. It puts you into the position to accomplish complete diagnosis and/or stocktaking of your network hardware. ll information can be raised both from local or from a remote system (Version 6.5 will gather the Informati ...

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» SQL Server Version Checker

Determine the version and service pack level for a given SQL Server database installation ...

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Date added: Sep 23, 2005 | » Details

» XP Startup Cleaner

There are certain programs that you want to execute when your system starts. In general users make a program execute at window startup by copying the executable file to the startup folder. XP Startup Cleaner&Autorun Manager helps you to easily manage ...

XP Tools Software | 658 KB | Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,Windows2000,WinXP,Windows2003 | 19.95 | Downloads: 659

Date added: Feb 15, 2007 | » Details

» Direct Registry Browser

With Direct Registry Browser you may recover your lost registry data (program settings, registration inforamtion, profile settings etc.) directly from Windows registry files. This could be useful in case of: - Crashed/lost Windows installation; - Broken u ...

SysDevSoftware Ltd. | 550 KB | Win95,Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003 | 0.00 | Downloads: 692

Date added: Feb 15, 2007 | » Details

» GiPo@DB_Utilities

GiPo@DB_Utilities is a set of utilities for Windows 95/98/ME/NT/2000/XP that provide an easy way to work with different OLE DB- and ODBC-compatible databases and data sources such as Microsoft SQL Server 7.0/2000, Oracle DBMS, Informix, MySQL, DB2, Micros ...

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Date added: Sep 23, 2005 | » Details

» Advanced Time Control

Advanced Time Control is a program all parents need if they have children between 5 and 16. The most common danger computer pose to your children is not offensive Internet content, but an addiction to the computer. About 70% of boys with computers and ove ...

VicMan Software | 1440 KB | WinXP,WinNT 4.x,Windows2000,Windows2003 | 39.95 | Downloads: 737

Date added: Sep 23, 2005 | » Details

» ActiveXplorer

Analyze and document binary components. ActiveXplorer is a library file manager and analyzer for COM libraries - ActiveX controls, TLBs, DLL and EXE servers - and .NET assemblies. Your component is ready, but the help file is rather undone? Found a new co ...

Aivosto Oy | 2841 KB | Windows | 149 | Downloads: 791

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» Desktop Lock

This is a powerful utility software that can lock all items with your computer, just like Mouse, Keyboard, Desktop etc. When your desktop has locked, none can modify your document even it is opening, access your computer to browse your document, to modify ...

TopLang software studio | 594 KB | Windows | 15 | Downloads: 752

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» 1-abc.net Settings Organizer

Windows XP offers great opportunities to be customized. Unfortunately, most of these features are not available through the control panel and can only be configured by modifying the main Windows settings database which is called the Windows Registry. Sinc ...

1-abc.net | 112 KB | WinXP | 9.99 | Downloads: 792

Date added: Feb 15, 2007 | » Details

» Hidden Key Logger Utility

Data Doctor Keylogger is smart GUI based user friendly valuable keystroke tracking software which captures each single activity of user and save it in a log file with full secrecy. It automatically loads itself in hidden mode at startup and no one can det ...

Data Recovery | 1720 KB | Win98,WinME,WinNT 3.x,WinNT 4.x,Windows2000,WinXP,Windows2003 | 45 | Downloads: 665

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» XMark

XMark is a comprehensive distributed system benchmarking and optimization suite. It supports client-server benchmarking, system information, and optimization, reducing the amount of time required to test or optimize an entire network of systems by using d ...

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Date added: Sep 23, 2005 | » Details

» Kerish Doctor 2005

Kerish Doctor 2005 - Easy & Fast tool for fixing problems of your system. Detect Spyware/Adware modules, detect viruses, correct path of shortcuts, clean your system - delete `trash` and unused files, correct uninstall information of programs, correct ...

Kerish Products | 1380 KB | Win98,WinME,Windows2000,WinXP,Windows2003 | 19.95 | Downloads: 739

Date added: Sep 23, 2005 | » Details

» PassPack

PassPack is a secure, streamlined and incredibly compact manager of passwords and confidential information. It features exceptional resistance to brute-force password search attacks. PassPack offers both import and export of unencrypted data. ...

Dariusz Stanislawek | 15 KB | Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,WinXP,Windows2000 | 0 | Downloads: 747

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» Handy Recovery

Handy Recovery is data recovery software designed to restore accidentally deleted files on hard and floppy drives with FAT12/16/32, NTFS and NTFS 5 file systems. The program runs under Windows 95/98/Me/NT/2000/XP/2003 and can recover files deleted by viru ...

Sergey Petrov | 545 KB | Win95,Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003 | | Downloads: 671

Date added: Sep 23, 2005 | » Details

» ShutDown

We have developed ShutDown software because we had had enough of wasting our time. Every time we wanted to switch the computer off, we had to make loads of mouse movements and clicks. Look - you need to move the mouse cursor to the lower left corner and c ...

TDNSoftware Group | 884 KB | Win95,Win98,WinME,WinNT 4.x,Windows2000,WinXP | 0 | Downloads: 718

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» Autoformfiller Pro

Using the Auto Form Filler-Pro you can have ONE password that lets you safely logon to any of your web accounts with just 1 click! You will never have to type user ID and Password again, therefore reducing the risk of your password being stolen by keyboar ...

Auto Form Filler | 2832 KB | Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,Windows2000,WinXP,Windows2003 | 19.95 | Downloads: 737

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» Omniquad Desktop Surveillance Personal Edition

Know what your computer is used for in your absence. Prevent computer and Internet misuse. Protect children or young teenagers. Omniquad Desktop Surveillance is a powerful Monitoring and Access Control tool. The Personal edition is intended for home compu ...

Daniel Sobstel | 2676 KB | Win95,Win98,WinME,WinNT 4.x,WinXP,Windows2000 | 99 | Downloads: 651

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» BCWipe

BCWipe ensures that another person will not restore files you have deleted from a disk. When you delete sensitive files from a disk on your computer, Windows does not erase the contents of these files from the disk - it only deletes `references` to these ...

Jetico, Inc. | 2252 KB | Win95,Win98,WinME,WinNT 4.x,WinXP,Windows2000 | 39.95 | Downloads: 871

Date added: Sep 23, 2005 | » Details

» Free Windows Registry Cleaner

Free Windows Registry Cleaner is a 100% free, easy-to-use utility that scan and removes registry errors from your computer. Registry errors occur for many reasons, including references left behind after uninstallation, incorrect removal of software, missi ...

free-windows-registry-cleaner.com | 869 KB | Win95,Win98,WinME,WinXP,Windows2000 | 0.00 | Downloads: 729

Date added: Feb 15, 2007 | » Details

» Audio MP3 Editor Professional

Audio Editor Pro is a visual multifunctional audio editing software for Windows. It allows you to perform various operations with audio data such as displaying a waveform image of an audio file, filtering, applying various audio effects, format conversion ...

Mjjsoft.com | 7055 KB | Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,Windows2000,WinXP,Windows2003 | 39.95 | Downloads: 566

Date added: Oct 26, 2007 | » Details

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