Charting

Active Server Image
A graphing component to creating server side custom charts in PNG, JPEG, and BMP format. By eMarkSoft Inc. [Component, Commercial]
http://www.emarksoft.com/asi-graphing-component.htm

ActiveGantt Scheduler Component
A gantt chart displays all types of data that can be presented in a Gantt Schedule format, which can be used easily to display appointments, tasks or other kinds of programmed activities for short or very long periods of time. [Commercial]
http://www.sourcecodestore.com/ActiveGanttVB20/productsheet.htm

Chart FX
Components for integrating charting capabilities. Also offers extensions with functionalities for real-time, financial, or wireless applications. By Software FX, Inc.[Component, Commercial]
http://www.softwarefx.com/SFXComProducts/

ChartDirector Charting
Chart component for creating professionally looking charts and clickable charts in GIF/JPEG/PNG/WBMP. Supports pie, bar, line, area, trend, scatter, combo and finance charts. [Control, Commercial]
http://www.advsofteng.com/

DynaPlot
A real-time chart control for technical applications. By Wilhelm Kurz. [Control, Commercial]
http://www.wilhelm-kurz-software.de/dynaplot/dynaplot.htm

Exontrol ExOrgChart
Permits the totally automatic generation of organization charts. [Control, Commercial]
http://www.exontrol.com/exorgchart.jsp

Flipper CAD
A CAD control that supports grouping, layers, DXF R12 manipulation, and transformation. By ProWorks LLC. [Control, Commercial]
http://www.proworks.com/products.php?pid=3

Flipper Graph Control
Integrate customized charts into application. Date/time data support, data connectivity, multiple graph types and combinations and runtime menus. By ProWorks Corporation. [Commercial]
http://www.proworks.com/products.php?pid=2

FlowChartX
Charting ActiveX control for producing and presenting workflow, algorithm and process diagrams, object hierarchy and relationship charts, structures like graphs and trees. By MindFusion Group. [Control, Commercial]
http://www.mindfusion.org/flowchartx.html

Graphics Server
Graphing and charting component. Generates WMF, BMP, PCX, and JPEG with imagemaps. By Pinnacle WebWorkz Inc. [Control, Commercial]
http://www.graphicsserver.com/

LibMaster.com ActiveStockChart
An ActiveX component add the representation support of stock charts in program. [Shareware]
http://libmaster.com/activestockchart.php

Modulus FE ActiveX Stock Chart Components
A charting components for investing and trading purposes. [Commercial]
http://www.modulusfe.com/stockchartx/

Polar Draw
A control that incorporates diagramming, vector drawing abilities and raster imaging tools. By Polar. [Control, Commercial]
http://www.polarsoftware.com/products/draw/

SimpleChart
A chart component for creating bar charts, line charts and pie charts. Includes web server license and help file that has sample code showing how to generate charts in ASP, VB, C# and .NET . [Controls, Commercial]
http://www.simplechart.net

TeeChart Pro
Professional Charting component library with special support for financial functions. Generates JPEG, PNG, GIF, WMF, VML or BMP. By Steema Software. [Control, Commercial]
http://www.steema.com/

UCCDraw
Enables to build Visio-style charts. With full source code.[Control, Commercial]
http://www.ucancode.net/Products/Form2/uccdraw.htm