its not a syslog server, but it will log the syslog data you point at it (so long as that data is UDP :) ). Theres an experimental quic server for handling encryption / streams.
go build .
./rider [args]
Usage of ./rider:
-addr string
UDP address to listen to (default ":514")
-logfile string
Log file to write to (default "rider.log")
-size int
Size of the buffer (default 1024)
-x Experimental (quic)