Van Snyder (HE12025-07-28): > Although they can't trace out your figures, xfig and tgif are both free > object-oriented drawing (not painting) programs into which you can > import a graphic (of almost any representation — png, jpg, gif, …) and > then superimpose your lines, circles, ellipses, text, ….
For diagrams specifically, we should mention dia, it is designed to preserve the connections between objects even when moving them. I usually get frustrated with GUIs pretty fast and give up in favor of TikZ or Perl+Cairo after ~15 minutes, but this time I managed to do a full network map with it. Regards, -- Nicolas George
