gRaphael is an Open Source Javascript Charting Library based on Raphael Javascript Library. It helps you to create stunning static and interactive charts with ease.

gRaphael Javascript Library supports:

• pie chart
• bar chart
• line chart
• dot chart

gRaphaël is cross browser compatible and currently supports Firefox 3.0+, Safari 3.0+, Opera 9.5+ & Internet Explorer 6.0+.

Do check the interesting free vector icon set built with Raphael.

ChartGo is a web based application to Create Free Online Chart. A simple tool to make online chart creation simpler and easier.

This web application is designed to create online charts in a quick, simple and easy way. ChartGo supports 2D Charts and 3D Charts.
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Flot is a Free Javascript Plotting Library for jQuery. It produces graphical plots of arbitrary data sets on-the-fly client-side. The focus is on simple usage, attractive looks, and interactive features like zooming.

Flot is easy to use, it is also advanced enough to be suitable for Web 2.0 data mining/business intelligence purposes, which is its original application.

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XML/SWF Charts is a simple, yet powerful tool to create attractive charts and graphs from XML data. This tool makes the best of both the XML and SWF worlds. XML provides flexible data generation, and Flash provides the best graphic quality.

Create an XML source to describe a chart, then pass it to this tool’s flash file to generate the chart. The XML source can be prepared manually, or generated dynamically using any scripting language (PHP, ASP, CFML, Perl, etc.)

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A jQuery plugin to generate beautiful sparklines inline charts directly in the browser using the data supplied inline in the HTML, or via javascript.

Supported Chart Types

• Line Chart
• Bar Chart
• Tristate Chart
• Discrete Chart
• Bullet Graph
• Pie Chart
• Box Plot

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Diagrams are great, because they are a very simple and extremely efficient way to intelligibly represent even the most complex ideas. But drawing diagrams can also be very complicated, simply because most diagramming softwares require you to draw.

Lovely Charts is an online diagramming application, that allows you to create professional looking diagrams of all kinds, such as flowcharts, sitemaps, organisation charts, wireframes, and many more… for FREE.

Lovely Charts is extremely simple and intuitive drag’n drop drawing mechanism, you’ll be able to focus on what really matters. You won’t have to draw boxes and arrows, you won’t have to worry about what symbol to use.

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Visifire, an open source data visualization component powered by Silverlight and WPF (Windows Presentation Foundation). Using the same API, charts in both Silverlight & WPF environments can be created within minutes.

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Your time is your product. Every minute you spend working that goes unaccounted for is like giving away your product for free. Tracking your time accurately is essential to staying profitable.

In addition, knowing how much time you spend on past projects, can allow you to better estimate future projects. Do you know how much time you spend in meetings? On the phone? Promoting yourself? Making sales calls? Keep track of anything with Klok’s simple work timer and get visual display of how your routines.

Requirements: AIR 1.0

Website: http://klok.mcgraphix.com/klok/index.htm

Effective data visualization allows users to easily understand and consume otherwise complex, boring information. Plotting your data can serve as a replacement to tabular data, and is also a great way to add practical graphics to your web page or application. There are a variety of ways you can plot data on-the-fly – but in this article we’ll focus on 10 excellent JavaScript solutions to graphing/charting data that allow you to process data client-side. You’ll also find a link to one of the demonstration pages of the script so that you can see it in action.

Flot

Flot is a data-plotting library developed by IOLA built on top of jQuery. It’s easy to use, yet feature-packed and elegant. It has a mouse-controlled zooming feature (click and drag over the target area) and some simple user interactivity features such the ability to determine the x and y coordinates of mouse clicks.

Demo: Different graph types

Flotr Javascript Plotting Library

Flotr, written by Bas Wenneker of Solutoire.com, is a plotting solution inspired by Flot that uses the Prototype JS library and excanvas.js. It supports most modern browsers including Internet Explorer 6, and has many features of Flot including mouse tracking, selection, mouse-tracking features.

Demo: Basic Legend Example

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pChart is a PHP class oriented framework designed to create aliased charts. Most of todays chart libraries have a cost, pChart is intended to be free. Data can be retrieved from SQL queries, CSV files, or manually provided. This project is still under development and new features or fix are made every week.

Focus has been put on rendering quality introducing an aliasing algorithm to draw eye candy graphics. In fact, quality is slowing down the renderer engine… this is one of our way of improvment!