Null-modem emulator Alternatives and Similar Software | AlternativeTo
com0com Null-modem emulator - Resource Detail - The DXZone.com
GitHub - diegopego/com0com-1: Null-modem emulator - The virtual serial port driver for Windows. Brought to you by: vfrolov [Vyacheslav Frolov](http://sourceforge.net/u/vfrolov/profile/)
emulare - Arduino Emulator
com0com null modem emulator alternative: Virtual Serial Port Driver - YouTube