BootTerm is a simple, reliable and powerful terminal designed to ease
connection to ephemeral serial ports as found on various SBCs,
and typically USB-based ones.

Main Features
automatic port detection
enumeration of available ports with detected drivers and descriptions
    wait for a specific, a new, or any port to appear (convenient with
    USB ports)
support for non-standard baud rates (e.g. 74880 bauds for ESP8266)
    can send a Break sequence and toggling RTS/DTR for various
    reset sequences, even on startup
fixed/timed captures to files (may be enabled at run time)
optionally time-stamped captures (relative/absolute dates)
reliable with proper error handling
single binary without annoying dependencies, builds out of the box
supports stdin/stdout to inject/download data
configurable escape character and visible character ranges