ManicTime (tho this isn't FOSS, but I'm a contractor consultant and love how this works)
-Calibre Library/Calibre Web for books
-all the *arr's w/ Plex
-BaiKal for caldav to manage mine and my mom's life
-vikunja for task management
-grocy for home erp
-bookstack for various notes
the following in digitalocean cause uptime is super important
-mastodon
-lemmy
-matrix
-url shortener for fediverse