• amCharts
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    Flash charts for your websites and Web-based products. Download for free.

    uuorld
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    An immersive mapping environment, high-quality data, and critical analysis tools. Download a free version for casual, noncommercial users. The core mapping engine is identical to the one in the pro version. Tap into thousands of statistics. It also includes an importer for loading your own data. Easy to output multiple image and video formats, that will load into Google Earth or other geo-browsers.

    Createagraph
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    Choose from five different graphs and charts.
    Cannot embed, but can print out.

    Chartle
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    Create, embed and share your charts, plots, diagrams and maps online.

    Chart Gizmo
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    Create stunning charts online
    Create charts for your website, blog and social network profiles.
    Useful for visualizing financial, scientific or other type of data.

    Grapholite
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    Full featured online flow charting solution. Create professional quality diagrams in minutes without software installation.

    ChartGo
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    Create bar graphs, line graphs or pie charts. Simply choose your settings, paste your data in the Chart data area and hit the create button. Visit the menu section if you need more specific chart settings. You can also use and modify existing graphs from the graphing example section.

    Crappygraphs
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    "Because 'Awesome Graphs' sounded way too pretentious". Make Venn or line graphs with your own comments, graphics and information.
    example
    tutorial
    Online Chart Generator
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    Online chart and graph generator tool, Generate 3D graphs instantly in few seconds.

    EditGrid
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    Online Spreadsheet Service delivering Data on Demand. You can embed a portion of a spreadsheet or an EditGrid widget in your site. Anaytics track the visitors. Real time collaboration allows 2 or more people to work on the same spreadsheet.

    Gapminder
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    See countries change in ways that challenge old myths. You choose from the best statistics.
    example
    Manyeyes
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    A collection of data visualizations and a new social kind of data analysis. View and discuss, or create visualizations from data sets.

    Lucidchart
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    Creating crisp, attractive flow charts for the web or print has never been so fast and easy. Everyone works on a document at the same time. Collaborators get your changes immediately when you save. Share your flow charts as a web page, PDF, or image.
    Publish an always-updated image of your work. Access anywhere.

    Graphjam
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    Make your own usng Graph Builder or upload you own files, images or videos.

    Swivel
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    Explore data and graphs, or upload your own.

    ChartTool
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    Design and share your own graphs online and for free. A number of different chart types like: bar charts, pie charts, line charts, bubble charts and radar plots supported

    ClassTools
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    Easily create venn diagrams, share them on the web.

    FusionCharts
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    A flash charting component that can be used to render data-driven & animated charts for your web applications and presentations. It is a cross-browser and cross-platform solution that can be used with PHP, ASP, JSP, ASP.NET, ColdFusion, Ruby on Rails, simple HTML pages or even PowerPoint Presentations to deliver interactive and powerful flash charts. All you need to know is the language you're programming in.

    DebateGraph
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    A debate visualization tool to help groups think through complex topics by building and sharing dynamic, collaboratively-editable and ratable maps of subjects from multiple perspectives.
    to increase the transparency and rigor of political debate around the world.

    DIY Chart Builder
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    A Web-based, simple and powerful online tool to create interactive charts and graphs from static or dynamic data which may be generated using any scripting language. Full updates and data streaming without reloading the web page. Export chart in a variety of image formats . Embed chart in Blog or website by just copy & pasting HTML code.

    Google Image Chart Editor
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    Create charts, or edit from the gallery.

    iCharts
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    Easy-to-use online service for interactive chart creation and social sharing. Create interactive charts online.