This might not be exactly what you're looking for, but there is a self-hostable image booru available on the flatpak repository called Hydrus. It’s essentially just a front end for a database you can run locally on your computer and organize images/videos by category. Add tags etc.
Man I just turned 20. I’m sick of everything I do online being dictated by commercial interests. I feel like an old man. I just want my applesauce and my bingo, and to not be bothered and lumped into the white middle class 20 year-old advertising demographic.
( please stop bombarding me with scare tactic election ads google )
yes. and hurry up with it too