One thing that I repeatedly get requests for in Tellico is to support multiple collections in one database. Most other collection managers do have some facility for that, so for Tellico 2, I'm going to try to oblige. And this is built on a SQL backend at the moment, too. Here's a screen grab of my current development tree:
There's nothing really happening there, just creating some default fields in the database for each collection type and setting up the widgets in the GUI. Still, it's a start.