25 great free resources for making charts
Here you have a new roundup about a bunch of great tools for making charts and graphs.
At the end of the post you find also 3 tutorials to make pure css bar graphs and another one for Adobe Illustrator.
Visifire (open source data visualization components powered by Silverlight & WPF)
pChart (PHP class oriented framework)
Chronoscope (open source)
Open Flash Chart 2
Flare (ActionScript library)
Google Chart API
Google Chart Generator
Timeplot (DHTML-based AJAXy widget)
CSS Chart Generator (web on-the-fly generator for bar charts)
Protochart (Open source library – Prototype and Canvas)
Pure Css Line Graph
Pure Css Data Chart
CSS Stacked Bar Graphs