A chart or graph is a type of informative graphic or graphic organizer that represents numeric data and/or functions. Charts are often used to make it easier to understand large quantities of data and the relationship between different parts of the data. Charts can usually be read more quickly than the raw data that they come from. They are used in a wide variety of fields, and can be created using popular online tools available on the internet called as charting applications.

CHARTING Components enables your web site to display massive amounts of dynamically generated data quickly and easily through a very beautiful visual interface. Charting components can be used to create attractive 3D and 2D charts / graphs. With the help of graphing and charting products you can build applications that produce charts and graphs from statistical, finincial, engineering, scientific and other numeric data. Our products for .NET, COM, VCL and Java can produce all types of business and scientific graphs and charts, including: Line graphs, bar charts, scatter graphs, polar charts.

I've listed a few well known components below:

telerik r.a.d.chart V3.0

r.a.d.chart is a business-oriented charting component with a focus on development productivity and ease-of-use. It can generate all popular types of charts, which allows you to display data in a people-friendly manner.


        Comprehensive Chart Wizard
        Different chart types on a single chart
        Drill-Down
        Numerical X Axis
        Image Maps
        Automatic scaling of axes
        Gradient fills, hatch fills, image fills
        Negative values
       
ChartDirector

Professional chart component for windows and web applications.

          Synthesize Charts using Layers :
          Layering architecture enables you to synthesize the charts you want using standard chart layers.
   
         Comprehensive Chart Types :
        Pie, donut, bar, line, spline, step, trend, curve-fitting, area, scatter, bubble, box-whisker, finance, gantt, vector, polar,              radar, rose ... Even includes meters and guages.

         Unparalleled Customizability :
         Object oriented API allows you to customize every chart details.
   
         Markup Text Support :
         Embed icons and use multiple fonts and colors in the same piece of text. Decorate your charts with professionally
         looking text and labels.

        AJAX Enabled User Interactions :
        Full suite of mouse events for chart objects. Pop-up tooltips, drill-down, drag to zoom, drag to scroll, ..


.netCharting
.netCHARTING is one of the easiest to use and one of the best asp.net charting component available for generating most visually stunning charts. With a few simple lines of script .netCHARTING can bring to life dynamic database driven charts from your own custom databases.

   

• .net Framework 2.0 Support
• 2D and 3D rendering of charts.
• Chart Mentor
• Printer friendly text.
• Quarter and Ordinal (1st, 2nd) formatting.
• HTML Hotspot Event Attributes
• Multiple chart areas.
• Multiple legend boxes.
• Automatic drill down support.
• Drill down into 'other' data
• PostDataProcessing Event
  
• Get a chart Bitmap.
• Get a bitmap of the legend only.
• Save bitmaps with the .netCHARTING system instantly.
• Work with coordinates for each element after a bitmap is generated.
• Output images as JPG, PNG, and BMP.

This is a partial list of popular charting components available. Components are listed in random order.