compared to what?
...to what? ...the Finder icon?
Flattery, move on.
Neither. They may borrow a few interface concepts, but so did Basecamp. Everything's a remix.
We started redesign our application in June. This was a design from July. I guess I can hit ⌘⌫ on it now though.
Are you suggesting this could be plagiarising Slack? That happened a couple of weeks ago with a gaming-focused platform I now can't remember the name of, but it's application UI was very similar to that you see in Slack. I don't think we should reach for the pitchforks just because they're using the "fixed sidebar on the left" design pattern.
Unless I misunderstand and there's something else being ripped off. I dunno. All web design is a little bit derivative of some other website somewhere...
The fact that this would even remotely appear to be a ripoff or "inspiration" shows imho that there's really to little stylistic variance out there.
Don't forget MeeGo too
And Basecamp's project cards along with the calendar scheduling popout seen at https://labs.activecollab.com/articles/redesigning-active-collab.html.
Also dropbox-style illustrations.
Have you heard of dribbble?