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.
Layer2
Layer2 is a market-leading provider of data integration and document synchronization solutions for the Microsoft Cloud, focusing on Office 365, SharePoint and Azure. Regional implementation partners and more than 3,200 companies worldwide trust in Layer2 products to keep data and files in sync between 150+ systems and apps in the cloud and on-premises.
MadCap Software
Founded in early 2005, MadCap Software serves as a trusted provider of single-source, multi-channel authoring and publishing solutions for thousands of companies worldwide.
Whole Tomato Software
Whole Tomato Software develop Visual Assist, a plug-in for Microsoft Visual Studio. The plug-in primarily enhances IntelliSense and syntax highlighting. It also enhances code suggestions, provides refactoring commands, and includes spell checking support for comments. It can also detect basic syntax mistakes such as use of undeclared variables. As of April 2019, Visual Assist supports Visual C++ 6.0 through most versions of Visual Studio, including Visual Studio 2019 and Visual Studio Community 2019.