When I'm working with a new data or tool set, I'd find it helpful to know which tools other analysts are using.
I'm envisioning an optional, dockable window where a list of tools (and possibly percentage/probability rank) exist to suggest the next tool most users add after the selected tool (or blank canvas).
For example, I open a new workflow and the window shows the following suggestions of tools:
Next, I add a File Input. While the File Input tool is selected, the list updates to show the most utilized tool after a File Input:
If I click back onto the blank canvas though, the suggestion window reverts to:
Ideally, there would be the option of the Community stats and/or your local server/enterprise stats.