I replaced an out-of-date paper form and fax system with an online web application powered by Drupal. The new system allows administrators, sales users, and customers to track inventory and orders, manage device locations, and view usage reports. Custom EDI integration also interacts with their shipping partner to keep inventory and invoicing up-to-date.
TriDUG Presentation on upgrading to Drupal 8
Here's a PDF of the Powerpoint slides from the presentation on Upgrading to Drupal 8 that I gave at this month's TriDUG Meetup. And a tarball of the custom module I made to hold the configurations and custom source plugin.
I'm planning on writing a blog post (or two) with some more details. We'll see...