25 great free resources for making charts
Here you have a new roundup about a bunch of great tools for making charts and graphs.
You can choose between web generators, flash, javascript libraries, Silverlight or PHP classes.
At the end of the post you find also 3 tutorials to make pure css bar graphs and another one for Adobe Illustrator.
JS Charts (JavaScript based chart generator)
Protovis (visualization toolkit for JavaScript)
Visifire (open source data visualization components powered by Silverlight & WPF)
pChart (PHP class oriented framework)
Ejschart (Javascript)
XML/SWF Charts
