This started with the simple question "how exactly does package X pull in package Y when I install it". The only way I knew of was to use aptitude interactively and just guess which package was the most likely culprit.
The exec-notify program can be used together with the exec2dot script to generate program calling graphs
Flot is a pure Javascript plotting library for jQuery. It produces graphical plots of arbitrary datasets on-the-fly client-side.
php-lib zur erstellung von diagrammen, als joomla plug