“Developer Express,” commonly known as DevExpress, is a software company known for its development tools and components for .NET programmers. DevExpress offers a wide range of products that are used to build applications for Windows, Web, mobile, and tablet with the .NET framework. Here’s an overview of what DevExpress offers:

1. Components and Controls: DevExpress provides a comprehensive suite of UI controls and components for various platforms:

   • WinForms Controls: A set of UI components for Windows Forms applications.
   • WPF Controls: Controls for Windows Presentation Foundation, offering a rich user interface experience.
   • ASP.NET Controls: Web controls for ASP.NET WebForms and ASP.NET MVC.
   • Blazor Components: UI components for Blazor applications, which allow for C# code to be used instead of JavaScript.

2. DevExpress Dashboard: This tool allows the creation of interactive data dashboards for Windows, Web, and mobile platforms.

3. DevExpress Reports: An easy-to-use reporting platform, which provides a powerful report designer and viewer for .NET applications.

4. DevExtreme: A set of JavaScript-based tools for building web and mobile applications with HTML5 and JavaScript. It includes a range of responsive web controls.

5. CodeRush: An advanced productivity tool for Visual Studio designed to simplify coding, improve code quality, and reduce maintenance efforts.

6. TestCafe: An end-to-end, non-Selenium-based testing tool to test web applications.

7. VCL Controls for Delphi and C++Builder: UI controls for creating applications with Embarcadero’s RAD Studio, Delphi, and C++Builder.

8. XAF – eXpressApp Framework: A business application framework that simplifies and accelerates business application development.

9. Support and Community: DevExpress has a strong support system, including detailed documentation, tutorials, and a responsive community forum.

10. Licensing: DevExpress offers various licensing options, including commercial licenses and a free community license for certain products for small businesses and individual developers.

Developers use DevExpress tools to enhance productivity and to create robust, visually appealing, and easy-to-use applications. Their products are especially popular among .NET developers due to their integration with Visual Studio and the breadth of components that cater to a wide range of application development needs.