Design Amazon Web Services Infrastructure Diagrams For Free. Site24x7's Amazon Web Services (AWS) infrastructure designer tool is a free, online design platform that helps you create and depict your Amazon Web Services architecture. Effortlessly create simple or complex cloud architecture diagrams in a matter of minutes, without even signing up. The Site24x7 AWS infrastructure designer tool has two views: the resource view on the left, and the canvas view in the center, where the action happens.