Better method of displaying hierarchical CRUD controls

I am more of a developer than a designer, and my apologies if I am posting this in the wrong place.

I am working on a site that needs an admin page that allows CRUD operations on a set of hierarchical items, such that there is a list of 'A's that contains some 'B's which in turn contains some 'C's and finally they contain 'D's. Visually something like:

A
|
|-B
| |
| |-C
| | |
| | |-D
| | |-D
| |
| |-C
| | |
| | |-D
...

And so on. In 2015, I think we are WAY past showing trees in web pages, and so my normal approach would be a table of tables of tables. Create an 'A', get a table with a list of 'B's in there. Create a 'B', get a list of 'C's, etc.

What I am asking is if there are any trends to presenting this form of CRUD with hierarchical data. Not being a "designer" I usually hear/see/experience these things after someone points me to some site that has been around for some time. I am not asking someone to write anything, I am pretty good at making stuff myself, nor am I asking them to do free design work...merely what is out there and what people are doing now. If it helps, what I am working on is a cloud logging site in which I have "Applications" that contain "Log Sets" that have "Logs" which will have Log Entries, and the page in question is the Admin page where you create the App/Log Set/Log hierarchy.