I agree with revealJS, I recommend trying it with org-mode in eMacs with the plugin (plus you also get banner for free)

Alternatively, it also works with Jupyter.

This is what I use for every presentation I need to give.

You want H2OGPT or just use Langchain with CLI

Yes it’s easy, install WireGuard in a container, port forward to it and copy the profile to your other devices.

When you connect to the WireGuard network on the second device, you’ll have access to your internal network and hence your nas.

I also use a reverse proxy so I can remember computer names rather than ip.

AirVPN because it supports port forwarding.