OxyPlot is a plotting library for .NET. This is the core library including the foundation classes and plot model. To display the plots, you also need to add a platform-specific OxyPlot package that contains a PlotView component.
Aspose.Cells for .NET consists of API and GUI controls to create, process, manipulate and convert Microsoft Excel® spreadsheets without needing Office Automation.
GemBox.Spreadsheet is a .NET component that enables developers to read, write, convert and print spreadsheet files (XLSX, XLS, ODS, CSV, HTML, PDF or XPS) from their .NET applications using one simple API.
NPlot is a free charting library for .NET. It boasts an elegant, flexible API and includes controls for Windows.Forms, ASP.NET and a class for creating Bitmaps. A GTK# control is also available.
The blazing-fast DevExtreme HTML5 Data Grid, collection of high-performance data visualization widgets for all your business intelligence needs and a rich library of touch-enabled JavaScript widgets for use in your next web project.