Home assistant

Plex

Jellyfin

Sonarr

Radarr

Prowlarr

Readarr

Organizr

Overseerr

SaBnzbd

Transmission

Calibre web

Homepage

Memos

Pwndrop

Picsur

Remotely

Youtube dl

Changedetection.io

Uptime Kuma

Kavita

Nginx

And a couple discord bots

Agree with the Synology recommendation for a simple starter. Though personally always recommend the 4 bay.