Please, keep in mind I am HEAVILY biased towards low-power, high-efficency distros and DEs because of my stubbornness in using a netbook as my main internet-browsing device.
Mx Linux is great. Debian-based. If you can excuse some of that classic open-source roughness™ it comes built-in with a lot of very specific graphical tools that can reveal themselves to be very useful in a pinch, like:
- A normal live USB flasher tool,
- A Boot Repair tool (for all you distro-hoppers constantly messing up your boot partitions),
- An user manager,
- NVidia and AMD graphics driver installers,
- A repo manager,
- Another not-so-normal live USB flasher tool that allows you to make a perfect snapshot of your current installation and make it into a live bootable ISO you can shove into any USB stick.
All this while being, in my experience with the default Fluxbox installation, completely potato-proof when compared to some other distros (on top of being systemd-free, if that's something you care about).
Q4OS is great, too. Also Debian-based. Very user-friendly and insanely good for low-power devices thanks to its flagship Trinity Desktop Environment, a fork of KDE 3 that's absolutely perfect to run on devices with as low RAM as 256MB.
It comes with an intuitive graphical installer that lets you pick between a barebones and mega-bloated install, office suite and browser included so it covers all bases, pretty much.
If you like your computer looking and acting like Windows XP, with a bunch of fancy themes to boot, this is the distro for you.
My only gripes with both of these distros is that they are debian-based, disallowing me from messing around with specific things like pip because of outdated (though stable!) dependencies.
But messing around isn't everyone's goal, so I'd say Q4OS is a great start, considering it also comes in a KDE Plasma variant in case you're against the whole Windows XP thing.
Plus, I can't really complain about Debian, seeing how dire it's been for 32bit support on linux. Might just have to move to one of those infamous BSDs sometime soon /j