There a quite a few: in addition to umbrel and casaos, there’s Kubesail and Tipi.

Pixel 6 with GrapheneOS using Firefox.

I backed this on Kickstarter and played the demo a few months ago. Excited to play in this beautiful world!

I have a 2015 NUC I use as my server with next cloud, immich, jellyfin, gitlab and more. Mostly, I wish I put more ram in and could have two internal drives, but otherwise I love the form factor.