http://www.perlmonks.org?node_id=577011


in reply to Real time data graphs.

BLT package is graph expert for Tk, see http://vkonovalov.ru/cgi-bin/perl-tcltk-wiki.cgi/38.

This requires Tcl/Tk (via Tcl::Tk CPAN module), so you will have much better Tk library only if you have resources to move further, so this is not always an option for perl/Tk people who afraid to upgrade.