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.
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.
Planatech Solutions
Founded in 1996, Planatech Solutions is a privately owned company, specializing in cross-language & cross-platform interfaces. Based on nearly 20 years experience in the Financial Markets, Planatech has produced both commercial and bespoke software. The company's most successful commercial product, XLL Plus, first went to market in 1998, and simplifies the process of converting complex mathematical models written in C/C++ to instantly usable add-in functions in Excel. Clients include investment banks, hedge funds, energy industries, universities.