In the NextCloud instance somewhere.

I'm very happy with Memories.

I store my pictures on a NAS jail. That directory is mounted read-only on another jail with NC and Memories. I like the guarantee that my gallery app cannot alter my files.

Also, many gallery apps don't allow browsing a directory tree. You have one level of "albums" and that's it. Memories support it. I have pictures 5-6 directories deep, following a system that makes sense to me.

I want to backup my entire phone on a local server I own. Apps, app data, settings, WiFi passwords, call logs, etc. Good luck without root.

I use wireguard as my main VPN to connect to my homelab from my phone and my laptops.

I also have an OpenVPN as a backup option, running behind sslh. My same port on my router (443) serves both a webserver hosting photos, and that OpenVPN instance. This allows me to VPN into my home in most firewalled office networks.

I wonder if it also happens to people with aphantasia, who are unable to visualize things in their head.