PhotoPrism is a really big one for me. You will need some computing power and storage, but being able to run your own Google Photos is amazing. Including AI features like object and face detection (if you want).

https://www.photoprism.app/

How would this work with this example magazine from kbin? https://kbin.social/m/tech this should become the following, shouldn’t it? https://lemmy.world/c/[email protected]