I've been a professional C, Perl, PHP and Python developer.
I'm an ex-sysadmin from the late 20th century.
These days I do more Javascript and CSS and whatnot, and promote UX and accessibility.
Most apps that claim to have a minimalist UI don't, they just copy some of the visual styles that Apple use and call it "minimal".
That screenshot you have up there isn't minimal, it's cluttered and confused:
Is everything flat or are we into gradient effects?
Should icons line up vertically or be like the filter icon and whatever the big O icon means is?)
What exactly is the O under the filter for?
Come to that, what are the other icons? There's a plus sign and next to it there's another plus sign but with something liney in the background. What's that about? I can't guess. On the right side, I can't figure out the second icon at all, and the others I'm only faily certain about.
The eye icon (presumably a view count) is also presumably read-only, where the others are actions. It's also much heavier than the other icons, but I don't know whether this is because it's denser or whether it's supposed to be showing me an active state.
if it is showing an active state, it's inaccessible.
Shouldn't an "overview" be the first thing in a menu?
The folder tree's twisties open at 45 degrees. The sitebar's open at 90. I don't know what the one in the right hand pane does, but I bet it's different again.
At the top, there looks like a left-arrow to close the sidebar, but it's in a different style again.
Why don't we care about accessibility at all? Everything's so low-contrast (and small)!
What I'm saying is, apps like this are a mess, adding features to them won't change that. They're not using anything people could legitimately call minimalist design and so there's nothing to lose by bolting things on.
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Most apps that claim to have a minimalist UI don't, they just copy some of the visual styles that Apple use and call it "minimal".
That screenshot you have up there isn't minimal, it's cluttered and confused:
What I'm saying is, apps like this are a mess, adding features to them won't change that. They're not using anything people could legitimately call minimalist design and so there's nothing to lose by bolting things on.