in case google or icloud not to your taste

https://lychee.electerious.com/

https://github.com/Webreaper/Damselfly

Home v3

https://photostructure.com/

https://github.com/pixelfed/pixelfed

https://github.com/photoprism/photoprism

https://github.com/hooram/ownphotos

https://github.com/LibrePhotos/librephotos#first-steps-after-setting-up

https://piwigo.org/