The Null-modem emulator (com0com) is a kernel-mode virtual serial port driver for Windows. You can create an unlimited number of virtual COM port pairs and use any pair to connect one COM port based application to another.

Project Reviews

  • Thumbs up

    Thats what I need !

    posted by anonymous 58 days ago
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  • Thumbs up

    Excellent..

    posted by dinesh 10 days ago
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  • Thumbs up

    Perfect! I can now use my GPS-logger which is connected to an embedded linux box (with gpsd) on my remote windows PC over the internet connection. Since most windows GPS-Software requires the GPS-Logger to be attached to a local COM port, this would've never been possible without com0com.

    posted by anonymous 36 days ago
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  • Thumbs up

    Thanks a million for extending IOCTL_SERIAL_LSRMST_INSERT to include baud-rate changes. It's exactly what I needed!

    posted by anonymous 44 days ago
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  • Thumbs up

    hi thank you very very very a lot of thank dr_m_s_a_zadeh@hotmail.com

    posted by anonymous 18 days ago
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  • Thumbs up

    Good idea! I can test my applications without buying a USB-Serial port. Thanks

    posted by anonymous 93 days ago
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  • Thumbs up

    com0com project - excellent set of tools which are highly useful and perfectly operational.

    posted by anonymous 65 days ago
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  • Thumbs up

    it is great and accelerates development time tremendously. great job guys. You uphold the true spirit of Open Source

    posted by anonymous 102 days ago
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  • Thumbs up

    Fantastic project. Makes development and unit testing on our build machines so easy. No more loopback cables!!

    posted by anonymous 98 days ago
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  • Thumbs down

    do not work

    posted by anonymous 46 days ago
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  • Thumbs up

    great idea

    posted by anonymous 29 days ago
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  • Thumbs up

    Very impressive tool - More accurate then some USB-serial links

    posted by anonymous 79 days ago
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  • Thumbs up

    cool

    posted by anonymous 52 days ago
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  • Thumbs up

    very usefull

    posted by anonymous 15 days ago
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  • Thumbs up

    Very convenient tool.

    posted by dreamlusion 29 days ago
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  • Thumbs up

    This is such a flexible, useful tool. Can't thank you enough for providing this as open source.

    posted by anonymous 94 days ago
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  • Thumbs up

    Very useful thing. Now I can emulate connection with my embedded device, which uses RS-485 thru USB to Virtual COM port.

    posted by anonymous 4 days ago
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