Javascript Charts

This site is full of javascript chart websites.

http://www.articlediary.com/article/25-graph-chart-solutions-for-web-developers-277.html

Don't know if all are good, but www.highcharts.com is awesome.

JavaScript Charting

This is a great 3d javascript chart library

http://dragan.yourtree.org/code/canvas-3d-graph/