The program Socket implements access to TCP sockets from shell level. First written for the need to open a server socket and read and write to the socket interactively for testing purposes, it quickly evolved into a generic tool providing the socket interface for shell script and interactive use.
See https://github.com/wosch/socket/blob/master/README for more informations.
socket(1) was written in 1992 by Juergen Nickelsen and released under the GNU General Public License version 1.