Grafico is a javascript charting library built with Raphaël and Prototype.js. The library provides a wide array of graphs and stays with the guidelines laid out by Stephen Few and Edward Tufte. Grafico provides pretty charts that effectively communicate their information.

This means you get awesome graphs such as stacked area charts and sparklines, but no pie charts or bar charts with every bar a different color. Each graph type has numerous API options to customize it’s look and behavior.

Available graphs:

• Line graphs
• Area graphs
• Stacked area graphs
• Bar graphs
• Horizontal bar graphs
• Sparklines
• Sparkbars
• Sparkareas

Minified, Grafico is about 30kb and available under the MIT license.

Requirements: Raphael and Prototype.js
Demo: http://kilianvalkhof.com/2010/design/grafico-javascript-charting-library/
License: MIT License

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