Say hello to Lovely Charts, a Web-based tool that lets you whip up flow charts right inside your browser. You can get started with LC by signing up for a free account, which requires nothing more ...

This version is Visio Professional 2021, so you’re getting all the features of Visio Standard along with extras like industry-standard diagram support (BPMN 2.0, IEEE, UML 2.5) and more ...

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.