http://agilevisualization.com/.
Also take a look at some examples from a contest
Read this book
Workspace:
"Downloaded Roassal from World -> Tools -> Catalog Browser, it added a Roassal option under the world menu. Seems necessary to buy the PDF." RTGroup browseHierarchy.
Roassal tutorial
The Agile AI site is also helpful.
Look for S3 uses.
A glamour interview, and also.
Read this tutorial
DataFranes: https://github.com/pharo-ai/data-inspector https://lists.pharo.org/empathy/thread/G5UZEORGAUL7RHFU6GWS52P3IMR3SAT7