SpreadsheetGear 

SpreadsheetGear for .NET Standard enables developers for .NET Core, iOS, Android, Linux, macOS and UWP to easily take advantage of scalable Excel Reporting, comprehensive Excel compatible charting APIs, the fastest and most complete Excel compatible calculations and more using the same API enjoyed... More information

SpreadsheetGear for Windows includes the SpreadsheetGear Engine for .NET, SpreadsheetGear UI controls built for .NET 6.0 WPF and Windows Forms as well as SpreadsheetGear GDI+ and Xaml rendering APIs built for .NET 6.0. SpreadsheetGear for Windows enables ASP.NET Core, Windows Forms and WPF... More information