Here are some of the best free Network Diagram and Design software for designing your network on Windows 11/10.

SmartDraw packages a broad pallet of diagram templates that can be used to visually present everything from physical network layouts to database designs to mind maps and furniture positioning ...

A list of free Microsoft Visio alternative software to prepare complex diagrams includes Kivio, Graphviz, Inkspace, Open Office Draw, and DIA Diagram Editor.