Syncfusion's Essential Diagram is a .NET framework for developing interactive 2-D graphics and diagramming applications. Essential Diagram ASP.NET is a native .NET user interface library designed for the creation of a wide range of web-based static and interactive diagramming applications. Essential Diagram is designed for ease of use, flexibility and high performance.

The Essential Diagram web server control is built using a Subject-Observer design pattern that makes the product reliable, highly extensible and easy to customize. Essential Diagram stores graphical objects in a node graph and renders those objects onto the display medium. The software supports both vector and raster graphics on the drawing surface. A powerful object model that is shared between the Windows and Web versions of the product, a hierarchical node structure, a wide selection of drawing shapes, styles and properties inheritance, and an extensible command model make Essential Diagram an ideal diagramming platform for building highly specialized applications.