I think the gnuplot port (uses HTML 5 canvas) is impressive: http://skuld.bmsc.washington.edu/~merritt/gnuplot/canvas_demos/ http://skuld.bmsc.washington.edu/~m

I think the gnuplot port (uses HTML 5 canvas) is impressive: http://skuld.bmsc.washington.edu/~merritt/gnuplot/canvas_demos/ http://skuld.bmsc.washington.edu/~merritt/gnuplot/canvas_dem... Of course, it's a question of how widespread HTML 5 canvas support will be, in the timeframe that you need.