Not selfhosted/FOSS but I just checked one that I knew about from android and they do have a desktop version, maybe this is what you are looking for? Memento database. Source: about 1 year ago

I don't know if this is quite what you're looking for or not, but there's a program I use called Memento Database (https://mementodatabase.com/) that would probably work great for that. You could make a database with an entry for each person, and a tags field where you could tag them with various attributes, and then you can search for any tag or combination of tags. I do pay for their pro version (which includes... Source: about 2 years ago

The only decent app I ever found was not FOSS (Memento). I ended up using notebooks for each room (category) in Joplin. Source: about 2 years ago

I put together a little database for all this using Memento Database on my phone. Source: over 2 years ago

You might want to check out Momento Database. Not the most straightforward thing to learn, but once you have it set up it is easy to use. Lots of templates already built for project management, and you can attach files in various ways. Source: over 2 years ago

{ "id": 0, "name": "Super Meat Boy", "description": "Super Meat Boy is a platform game in which players control a small, dark red, cube-shaped character named Meat Boy.", "website": "http://supermeatboy.com/", "subreddit": "r/Supermeatboy", "center": [ 1970.5, 713.5 ], "path": [ [ 1941.5, 696.5 ], [ 1999.5, ... Source: about 2 years ago