New port: graphics/ttyplot
ttyplot is a realtime plotting utility for terminal with data input from
stdin.
It takes data from standard input / UNIX pipeline, most commonly some tool
like ping, snmpget, netstat, ifconfig, sar, vmstat, etc., and plots in text
mode on a terminal in real time.
It supports rate calculation for counters and up to two graphs on a single
display using reverse video for the second line.