I’ve been working on a new TCP/serial gateway. I know, there are a few out there — but this one looks better 🙂 . In all honesty there are benefits to each of the available options but TCPXCOM runs in almost every environment. I’m currently testing Win10 with USB2Serial dongles, but there is a Raspberry Pi running 4 USB Serial ports. Currently, the code max’s out at 4 ports but I have a serial comport card that supports 8.. it would take a little work to scare up enough devices but it possible.
It’s a.net core 3.x console application, written in c#. I’m currently in beta, working out the kinks of 8bit BBS RS232 idiosyncrasies.