I started publicly inventorying and documenting my collection of vintage print advertisements (https://adretro.com).
The front end CMS is a combination of Notion and Super.so. The backend will be Lucee and MySQL.
I have many thousands of ads I want to catalog just to start. There are so many print ads, cataloging just a fraction will take a lifetime.
I'm developing a custom cataloging system that will allow me to process them more quickly and automate aspects of the management of the collection. I have in mind to eventually make the database available to other collectors.