This article covers creating bar graphs using css.
Richard Clark created this vertical bar graphs with css and php, a must see tutorial.
Another vertical bar graph using css and php.
This article covers tutorial on creating Pure css Horizontal bar graph.
Stephen gave this tutorial on making Bar graphs using HTML and CSS.
Here’s an easy way to display a simple percentage graph using PHP to work out the percentages and do the maths and CSS to display the data on page.
This tutorial is on creating Basic Bar graph
This tutorial contains the webstandards for data visualization.
15. Line Graph
16. Ajax MGraph
If i have missed any tutorials which you knows then please include them in your comments. Thank You