it's a mix of Dynamics 365 CE, MS Flows and PowerApps. What users can do themselves?
The best of do it yourself no code solutions.
Populating a lookup field from a text field
Updating opportunity/quote/order from their close forms/activities
Capturing PowerApps camera image to contact's entity image
Employee reimbursements using AI builder
and so on....all no code solutions
Dynamics 365 CE Blogger PowerApps MS Flows