Been daily-driving Guix on 3 different machines for about 3 years. Love the declarative configs and rollbacks, and being able to easy share configuration with Scheme snippets between machines. I know that once I get something working on one, I have it permanently working for all my machines.

I do; 'been my daily driver for 2 years (maybe 3?), now.

My experience has, generally, been great. You get the same minimal instability you'd get from any rolling distro but the stability you get from it being declarative and reproducible is fantastic; I, also, like being able to use my favorite programming language for my config. (and pretty much everywhere).

I've more-or-less daily-driven Guix System since 2023. I enjoy that there are very few things I "can't" do, just things I haven't learnt the "Guixy" way of doing yet. Sometimes that can be frustrating, but once I figure it out maintenance is a cinch and stability is unmatched. It's an experience for stretchy minds, I think, but I like it.

Guix is a package manager you can install on most distros and works beside other package managers, similar to Snap and Flatpak. And it's a distro.

It is like Nix, but cleaner.

Build tool, package builder, package manager, configuration manager, and a distro built on those aspects. You can use any aspect indepently though