Ugh. I'd love to switch to Linux, but as a designer, I'm stuck. It's not a lack of understanding of how it works— Before I was a designer I was a developer, worked in IT for a while, worked in upper-level support for a while, and Linux was my primary personal and professional OS from the late 90s to like 2010. Why don't I just run a closed-source OS in a VM? They are fussy. Having some weird graphics tablet driver pr…
I am programming on Ubuntu (C#, PHP, Javascript) with Jetbrains software. This works absolutely great.
For 3D work I use Blender.
But for graphical work I agree that there are still alternatives missing.
Figma is a very good alternative for Sketch. Scribus is a good alternative for Indesign. Krita is very good for concept art. But that's about it.
Inscape is a good alternative for Illustrator, but only if you work in RGB.
Gimp can do what Photoshop can but it will take you 3 times as long.
But for me the trade-offs work. I want to own my computer so I choose to work in Gimp instead of Photoshop. I also started to design websites directly with CSS. And I switched from 3DsMax to Blender (which isn't a trade-off anymore).
The choice is yours.