ucat (uTP cat) implementation is JavaScript to be used with Node.js
npm i ucat -g
Usage:
ucat [options] <destination-IP> <destination-port>
ucat [options] -l -p <listening-port>
Options:
-h Help
-d Debug mode; use multiple times to increase verbosity.
-l Listen mode
-p <port> Local port
-s <IP> Source IP
-B <size> Buffer size
-n Don't resolve hostnames