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

Now comes Best4c, a similar Web-based tool, and I think I like it even better. With Best4c you can create diagrams, flow charts, network schematics, 3D maps, and even home/office floor plans.

Visio is a handy tool for creating network diagrams, but it doesn't include every conceivable type of shape. Here's how to create your own custom shapes in Visio.