https://tinyurl.com/sn-diagram <------- check it out.
I fixed up (brought back to life and enhanced) a cli tool for generating UML diagrams from rust code. One diagram per crate.
Safe Network related crates are being diagrammed daily, and are viewable at above link.
Anyone interested in making/automating such diagrams can check out contrib/autogen in the above-linked diagramming tool.