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.
Actipro Software
Actipro Software, founded in 1999, is a privately-held provider of software components for the Microsoft .NET platform. Based in Cleveland, OH, USA, their focus is on delivering quality user interface software components that customers can trust to add robust functionality to their applications. They have been developing Windows Forms components since .NET was first released, and have become a leading provider of Windows Presentation Foundation (WPF) components.
Lassalle Technologies
Lassalle Technologies, a publisher of software components was founded in 1997. It is committed to creating powerful flowcharting/diagramming components. AddFlow is the main product and is available in both ActiveX and .NET editions. AddFlow is now very well positioned in the ComponentSource Top 50 Best Sellers. It also provides graph layout components which automatically display graphs or flow charts in a reasonable manner, following some aesthetic rules (hierarchic, symmetric, orthogonal, etc.) Currently, over 2,000 companies, in 60 countries, use Lassalle Technologies products.