GPING is described as '(Graphical Ping) is a powerful utility that pings and graphs multiple hosts simultaneously over a user-defined polling interval and generates detailed graphs. It comes with plethora of options for novice as well as advanced network engineers' and is an app in the Network & Admin category. There are more than 10 alternatives to GPING for a variety of platforms, including Windows, Linux, Mac, iPhone and BSD. The best alternative is PingPlotter, which is free. Other great apps like GPING are mtr (Free, Open Source), WinMTR (Free, Open Source), Ping Tracer (Free, Open Source) and SmokePing (Free, Open Source).
liboping is a C library to generate ICMP echo requests, better known as “ping packets”. It is intended for use in network monitoring applications or applications that would otherwise need to fork ping(1) frequently.