Open Source Charting & Reporting Tools in C#

Free open-source diagramming library in C#. WinForms control for drawing shapes and links (flowcharts, diagrams); programmatic add, change, and delete of elements.

Report and charting system based on Report Definition Language (RDL). Supports tabular, free-form, matrix, and chart layouts; output to HTML, PDF, XML, . NET controls, and printer.

C# class library and user control for 2D line, bar, and pie charts. Highly customizable with sensible defaults; automatic scale and step selection. WinForms and web controls; available via NuGet.

C# wrapper for the Google Chart Images API. Builds chart URLs that return PNG images; supports line, bar, pie and other types with configurable size, colors, and labels. Fork of the original Google Code project.

Free charting library for . NET with a flexible API. Suited to scientific data; includes Web, Windows Forms, Bitmap, and Gtk# controls.

Free . NET charting library for adding charts to applications.

Open-source diagramming component for interactive diagrams. Supports AJAX-style events (e. g.

2D charting library for business, education, and general use.

Generic diagramming and graph-drawing library for . NET in C#. Customizable via inheritance; node and link shapes can be in separate assemblies and loaded at runtime via reflection.

Free chart component for ASP. NET and WinForms. Renders charts as images (PNG, JPG, GIF).