I have the impression that site builders/admins use a different theme for the admin backend. How cool would it be to be able to preview the changes made to the layout/blocks of the frontend theme as they make changes in the UI?
Here's how Craft CMS does it with their WYSIWYG editor:

We already have a live preview in place for views and another for the color-picker, so perhaps we can abstract and reuse that.
GitHub Issue #:
986
Recent comments
Yes indeed. We are exploring a few other more costly options, but as we are a low-resource start-up, we could save a lot of money by integrating Backdrop, CiviCRM and Ubercart for our membership...
UberPOS for Backdrop?
Hello Chrys.., It looks like it was for Drupal 6, with a Dev release for D7... Never seen it before, but it looks like an interesting module... Do you have an immediate need...
UberPOS for Backdrop?
I do have the apache status page set up ... I will look in to this really fast. BRB.
Status Report Page throws : Forbidden You don't have permission to access this resource.