Jun
Customizable Interactive Graphs – Dracula Javascript Graph Library
Dracula Javascript library is a collection of scripts to draw and layout interactive graphs in the browser, based on JavaScript and featuring SVG support.

Currently, the JavaScript drawing framework RaphaelJS is supported along with an implementation of the force directed spring graph layout algorithm.
No Flash, no Java, no plug-ins. Just plain JavaScript and SVG.
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Feb
Make Graphs for Ruby With Gruff Graph Library
The Gruff Graph Library is a project to make beautiful graphs with Ruby. This library allow us to graph negative numbers (line and bar), specify colors, and customize the graphs in other ways.

This graph library can be used alone or with Ruby on Rails.
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Dec
Free Interactive JavaScript Charting Library – Highcharts
Highcharts is Free Interactive JavaScript Charting Library. This Free JavaScript Charting Library is written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application. Highcharts currently supports line, spline, area, areaspline, column, bar, pie and scatter chart types.

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Jun
Open Source ActionScript Library For Data Visualization
Flare is an Open Source ActionScript library for creating visualizations that run in the Adobe Flash Player. From basic charts and graphs to complex interactive graphics, the toolkit supports data management, visual encoding, animation, and interaction techniques.

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Feb
Create Awesome Excel & PowerPoint Charts – Chart Chooser
Chart Chooser from Juice Analytics is an innovative tool that lets you create Excel and Powerpoint charts. It gives the option to choose the type of characteristics you wish to highlight in your data like: Comparison, Distribution, Composition, Trend, Relationship and/or Table, and it will give a filtered charts according to your selection.
After selecting a chart type, it offers Excel and Powerpoint file formats to download, open up that file into respective program and modify your chart.
Juice Analytics welcomes users to share their thoughts / ideas for new innovative charts.
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Feb
Create Online Charts and Graphs For Free
Chart Tool is a free web based application to create Charts and Graphs. You can use these charts to visually describe the data.
- Bar Chart
- Pie Chart
- Line Chart
- Bubble Chart
- Radar Plots
You can define Labels and their fonts for graphs. You can save graphs as an image and have the ability to share with anyone using email.
By registering youself, you would be able to edit / update chart at a later stage.
Website: http://www.onlinecharttool.com
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Jan
JSXGraph – Open Source Library to Create Graphics with JavaScript
JSXGraph is a cross-browser library for interactive geometry, function plotting, graphs, and data visualization in a web browser. It is implemented completely in JavaScript and uses SVG and VML.
Some Features:
- Easy to embed
- Small footprint: only about 55 kB (embedded in a web page).
- No plugins are required!
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