Below are explanation from the official web site.
What is Creative Docs .NET?
Creative Docs .NET is a vector-based graphic design tool with support for rich text, ideal to quickly write short documents, manuals, posters, illustrations, schemas, plans, flow charts, and much more.
The interface is tailored for high productivity: it does never get in your way. Creative Docs .NET tools are simple, yet powerful. All styles and attributes can be modified interactively with a minimum number of mouse clicks. A color gradient, for instance, can be modified directly by dragging its handles in the document window.