UPDATE NOTE: draw.io is now running as apps.diagram.net
Up to this point, we have been using locally installed PowerPoint successfully and efficiently to create all of the Azure concept and architectural diagrams used with clients (Read more about this here). There are a number of online drawing programs available now to create these and other technical drawings. There is no software to install; the diagrams are stored online (Although local copies of documents can also be saved).
draw.io with completed drawing:
NOTE: Source of diagram: https://github.com/timothywarner/azure-class-diagrams
This is Tim Warner’s Visio drawing done in draw.io… Replicating a detailed drawing like this helps to discover the platform’s functionality, ease of use, as well as the other review details outlined here.