Tag charts
A List Apart: Articles: Accessible Data Visualization with Web Standards
link posted 9:38 a.m., Saturday 3 May, 2008. Wilson Miner has written a fantastic article for A List Apart discussing how he built the text and CSS-based charts for the fantastic data representation on EveryBlock. Whilst it's simple and really only going to be useful for barchart variants, it seems to me to be a great way to visualise data using basic technologies.
http://www.alistapart.com/articles/accessibledatavisualizationOpen Flash Chart - Home
link posted 11:47 p.m., Sunday 20 January, 2008. Open Flash Chart is an Open-Source flash-based charting library that generates beautiful pie, line and bar charts from your PHP, Python or other data.
http://teethgrinder.co.uk/open-flash-chart/index.phpDeveloper's Guide - Google Chart API - Google Code
link posted 4:28 a.m., Friday 7 December, 2007. Developer's Guide - Google Chart API - Google Code
http://code.google.com/apis/chart/Bartelme Design | Creating graphs
link posted 4:17 a.m., Monday 3 December, 2007. A great article on creating beautiful 3D pie charts with Adobe Illustrator
http://www.bartelme.at/journal/archive/creating_graphs/Charts And Graphs: Modern Solutions | Developer's Toolbox | Smashing Magazine
link posted 12:19 a.m., Wednesday 24 October, 2007. Some fantastic graphing options to produce charts that look much better than Excel - and they're dynamic, to boot.
http://www.smashingmagazine.com/2007/10/18/charts-and-graphs-modern-solutions/