Based on our record, GNUstep seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I agree with your other comment that a single UI that looks 100% "native" everywhere is a pipe dream. I don't know why certain people keep chasing that rainbow. As someone else noted, "native" isn't even really defined on Linux. For example, I use Window Maker, which has a very different UI than GNOME and KDE—it's not based on GNUstep but has a similar look and integrates well with it. On Linux there are people... Source: almost 2 years ago
GNUstep: Open-source, Object-oriented, Cross-platform Development Environment\ (71 comments). Source: over 2 years ago
Xfce - Xfce is a lightweight desktop environment for UNIX-like operating systems. It aims to be fast and low on system resources, while still being visually appealing and user friendly.
LXDE - Why will you like it? Less resource needs. You can use it on your less-pricey embedded board or salvaged computer. Component-based design. Don't want something in LXDE, or you don't want to use LXDE but only part of it?
i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
KDE Plasma Desktop - Plasma Workspaces is the umbrella term for all graphical environments provided by KDE.
Window Maker - Window Maker is a free and open-source window manager for the X Window System
GNOME - An easy and elegant way to use your computer, GNOME is designed to put you in control and get things done.