download null modem [30 articles found] (supplemental result)
Emulation of one or more serial streams..
Multicom is appointed for emulation of one, two or more (up to
200)
serial streams. Hardware devices are not necessary. This product is
based on
Windows XP DDK and doesn`t require using devices of other
manufacturers. The whole product is created with the help of
Microsoft tooling.
Coding Software - Other, On January 21, 2008 updated, downloaded 19 times, file size is 430Kb.
Virtual serial ports for .NET and ActiveX.
Create and manage
virtual serial ports from .NET and Visual Basic (ActiveX)
Using Virtual Serial Port SDK you can create a "new" serial port on your computer. This serial port is completely controlled by your application. Other 3rd party applications can connect to this serial port and believe it is a normal serial port.
Windows Mobile/Pocket PC, Windows XP/2k/NT and Windows ME/98.
Samples in C#, VB.NET and VB6
Coding Software - Components & Libraries, On January 23, 2008 updated, downloaded 35 times, file size is 1549Kb.

Software GPS device simulator.
Use
GPS without GPS
receiver! This is software GPS
device simulator (virtual GPS receiver). It can be used for development purposes or for testing GPS software before buying. Generated
NMEA sentences can be used by mapping or other GPS enabled software. This virtual GPS receiver can operate without GPS satellites visible and therefore it can be more effective than hardware GPS receiver indoor.
Coding Software - Other, On January 31, 2008 updated, downloaded 48 times, file size is 733Kb.
Connect your Fluke 45 Meter to a PC..
Connect your
Fluke 45 Meter to a PC for Display,
Logging, and Data Capture. Includes a Meter Control Panel and
Alarms. Try it free for 15 days, after which a Registration Code may be purchased through PayPal to unlock. Requires a null-modem cable. Useful in the field, on the bench, or in a lab. Large Display useful for making adjustments while reading the meter across a room.
My Hobby & Education - Misc, On June 9, 2009 updated, downloaded 55 times, file size is 8924Kb.

Linked virtual serial ports emulator..
Virtual
Serial Ports Driver XP (VSPD XP) creates two pure virtual serial ports in your system which are virtually connected to each other. For other Windows applications,
virtual ports will be seen exactly as two real serial ports connected via null-modem cable. You can select any port numbers for virtual pair. You can transfer files, exchange data or do whatever you want as it was real serial ports.
Sys Utils - Other System Programs, On January 22, 2008 updated, downloaded 23 times, file size is 1526Kb.
Connect PCs via virtual null-modem cable.
Network
Virtual Serial Ports Driver is an advanced utility, the purpose of which is to
emulate null-modem cable on computers located in a TCP/IP LAN or connected to the Internet. In other words, with VSPD Net you can create any number of pure virtual serial ports in your system, which will be connected over TCP/IP network to another computer via virtual null-modem cable. Real serial ports will not be occupied.
Computer Networking - Remote PC Management, On December 2, 2006 updated, downloaded 18 times, file size is 2211Kb.

VSPD Mobile emulates COM-ports.
Virtual Serial Ports Driver Mobile can create up to 20 pure virtual serial ports in your mobile system, resulting in 10 virtual serial port pairs available for integration. 2 ports in a pair are connected via a virtual null-modem and emulate real serial ports. Virtual serial ports pair can be used to transfer files, other data as if there are additional real serial ports in your smartphone. The solution can be used for
GPS simulation software.
Coding Software - Components & Libraries, On January 18, 2008 updated, downloaded 28 times, file size is 4190Kb.

Stress testing of COM/RS232 ports made easy!.
If you are puzzled by having to
stress-test COM/RS232 ports and see no easy way to do that, make sure you don`t miss
COM Port Stress Test, as it does exactly what you need! COM Port Stress Test is a compact and affordable tool for testing COM, RS232 and RS485 (with converter) ports that generates an extremely fast data stream with alternating baud rate, flow control, RTS and DTR states. Try this software now and you won`t be disappointed!
Coding Software - Program Debuggers, On October 26, 2008 updated, downloaded 97 times, file size is 1611Kb.

GPS Simulator.
Virtual
GPS is a GPS
simulator software. You can use it to simulate a GPS receiver unit connected to your system. It`s ideal when you need GPS input, but you have no signal or for development purposes. It supports various
NMEA sentences, so it can be used with any GPS mapping software.
Live Communications - Other Comms Programs, On September 13, 2009 updated, downloaded 17 times, file size is 901Kb.

Advanced GPS device simulator.
The
GPS Generator PRO application is designed for providing assitance in developing, testing and debugging programs and equipment working with the
NMEA-0183 protocol. This application can also be used for learning and testing navigation applications and equipment before purchasing.
This virtual GPS
receiver can work without visible GPS satellites, thus it`s much more efficient when used indoors. Besides, purchasing the program costs less, than
Coding Software - Help Authoring, On November 19, 2009 updated, downloaded 5 times, file size is 800Kb.