Portainer - For docker containers.
AdGuard Home on 2 separate Raspberry Pi Pico W.
HomeAssistant on its own hardware. Home automation
SearXNG - private search.
Whoogle - private search.
Shaarli - Bookmarks.
youtube-dl - downloading videos.
PaperlessNGX - document storage.
Trilium Notes - notes app
These are the ones I can't live without. All docker containers running on a NAS.
The NAS stuff has been running almost a year now. Even had enough time to migrate it from the 220 to the 923. I said I didn't have a lot of time, not no time. ;p