I hear a lot of good things about com0com, which is a software port emulator. You can "connect" a physical serial port through it, ... ... <看更多>

COM Port Monitor efficiently monitors COM port data exchange between serial devices and any Windows application, debugging computer connection with peripheral ... ... <看更多>

socat is a tool to connect (nearly) everything to (nearly) everything, and tee can duplicate streams. In your usecase you could connect your serial port ... ... <看更多>