DevExpress
DevExpress (Developer Express) is a software development company based in the United States. It produces coding assistance tools and components for Delphi, C++ Builder and Microsoft Visual Studio developers. The major part of its product line is VCL, .NET WinForms and ASP.NET components that replicate the UI of Microsoft Windows and Microsoft Office applications. DevExpress has won many industry awards for its products.
Telerik
Progress Telerik offers a leading platform for developing and deploying mission-critical business applications. The creator of the award-winning .NET and Kendo UI JavaScript user interface components/controls, reporting solutions and productivity tools, Progress Telerik has been providing the tools developers need to easily and efficiently build high-performant modern apps with outstanding UI for more than 20 years.
With free on-demand product training (refreshed with every major release) and unparalleled support provided by the same engineers who built the products, they ensure you are successful with their tools from the initial evaluation to release of your application.
Building a modern UI for web, desktop and mobile apps has never been easier.
ComponentArt
ComponentArt is a leading component vendor specializing in the creation of user interface and data visualization software for Microsoft's .NET platform. The company'sprimary goal is to help developers worldwide advance their software development effort by providing powerful building blocks that allow them to focus on the business logic, core value, and primary function of their application or website. ComponentArt has consistently been at the leading edge of technological innovation - from its first ASP.NET user interface component launch in 2002, parallel with the launch of the Microsoft ASP.NET platform - to the breakthrough release of Web.UI for ASP.NET AJAX, parallel with the Microsoft ASP.NET AJAX framework launch (now a part of ASP.NET 3.5 and Visual Studio 2008).