gnuplot is fine but one of the best features of visualization is interactivity imho, without interactivity you lose a lot of the power that comes from visualiza

gnuplot is fine but one of the best features of visualization is interactivity imho, without interactivity you lose a lot of the power that comes from visualization... That's why unfortunately I still recommend something like processing, then you can write your own small IPC to send data to your visualization code from any host