We work on GPU accelerated VMs, so that in future we can also bring NixOS + VPNs to desktops/end users to machines that don't run NixOS. We will use it as an application runtime where can control the whole stack. Just now we are mostly focused on managing distributed NixOS machines. The VPN helps to provide services on any kind computer, even if not running in a datacenter. You can read the description here for context: https://docs.clan.lol/

I think this fits the description well.

It's a bit of a two edged sword but it's something we definitely need. Look at project like Qubes and Secureblue that try to implement this. It solves several issues:

Packaging Apps on Linux has been and always will be, a nightmare. Just giving up and sending whole VMs is basically a variant of what docker does.

Permission Management is also quite necessary and Linux Desktop/DBUS is horrible in that regard. There's recently been a post about this[0]. Especially part 5 is just... GNOME Developers being GNOME Developers...

A lot of Apps also open untrusted files and even run untrusted code. Browsers, PDFs, or Excel Macros? God only knows what kind of exploits and hidden software landmines there are.

And last but not least there's also just badly coded apps that can get pwned from remote sources. Think some game running horrible c++ code connecting peer to peer with random clients. All of them could easily buffer overflow some random function and take over all your files.

[0] https://blog.vaxry.net/articles/2025-dbusSucks