It’s not underrated or forgotten, but LOTR two towers.

There are a few “teamviewer” open source alternatives you could containerized in an LXC that might work

I’ve also seen people set up a windows / Linux VM on proxmox for remote desktop

If it’s windows, remote desktop?

I use sunshine on my gaming pc, and moonlight to stream the desktop on a remote device. Works well over VPN too

I remember doing a some do research in middle school, and I found people disliked the extra gamey taste of dodo

It’s almost like it’s 2024 and there’s more knowledge about mental health