https://www.virtual-serial-port.org/
Virtual COM Port Driver: create virtual COM ports in a system
Virtual COM Port Driver creates virtual serial ports and connects them through a virtual null-modem cable.
virtual com portdrivercreateportssystem
https://elektro40.ru/virtualnyj-com-port/
The best 7 virtual com port apps for windows [extended version]
List of the Top Virtual Serial Port Driver applications that are on the market will help you to choose the best solution for your needs. Find out all features...
virtual com portapps for windowsthe best
https://forum.flitetest.com/index.php?tags/virtual-com-port/
virtual com port | FliteTest Forum
virtual com portforum
https://thyracont-vacuum.com/serielle-schnittstelle/mini-usb-typ-b-virtual-com-port-protokoll/
Mini-USB, Typ B, Virtual Com Port Protokoll Archives - Thyracont Vacuum Instruments GmbH
virtual com port