DevExpress WPF
I have had the pleasure to work with WPF, WinForms, and ASP.NET and no one offers a more powerful, comprehensive, and just plain awesome set of tools as DevExpress.
Ivy Hoang, DevExpress User
Engineered For Speed

Create powerful business solutions that maintain the highest performance standards regardless of dataset size or complexity.
Engineered For Big Data

Unleash the power of information and elegantly present it to your end-users with the high powered data mining and reporting.
Engineered For Flexibility

Optimized for the desktop, ready for touch. Build a bridge to the future with DevExpress WPF Controls.
Engineered For Your Enterprise

The DevExpress WPF Suite ships with a wide range of controls so you can build solutions that meet the exacting needs of users.
Reviews
Very useful and functional suite. Great product.
A good product with a lot of documentation. In my case it is helping me to get into programming with wpf, with a large number of controls that make my job easier.
Excellent quality!!! Excellent documentation with easy to follow examples plus real world sample apps and knowledgeable tech support.
It seems to be able to develop a nice screen for Charts and dashboard UI.
Latest News
DevExpress WPF 20.2.5
Improves Bars, Grid and TreeList controls.DevExpress WPF 20.2.4
Improves Diagram, Editors and PivotGrid controls.DevExpress WPF 20.2.3
Includes new Sankey Diagram, Sunburst and TreeView controls, plus improvements to multiple WPF controls.About DevExpress
DevExpress engineers feature-complete Presentation Controls, IDE Productivity Tools, Business Application Frameworks, and Reporting Systems for Visual Studio, along with high-performance HTML JS Mobile Frameworks for developers targeting next generation mobile devices. Whether using WPF, Silverlight, ASP.NET, WinForms, HTML5 or Windows 8, DevExpress technologies help you build your best, see complex software with greater clarity, increase your productivity and create stunning Windows, Web and Mobile applications in the shortest possible time.