Enter here if you still care about theming macOS at this point (upd. OneDrive shared folder)

[allan.nyholm]

Martin Dietze put together my fixes for ThemeEngine and made a repository on GitHub that you can build from or download the unofficial build made available there too.

mbert - Martin Dietze

Also, self-promotion of stuff that may or may not interest you:
Me, on GitHub - publishing files

You'll see only a few things but these could help you in some fashion when theming ?

My Sketch work file for Leopard-esque is here should anyone care. Actually the whole folder is open to be viewed and hopefully downloaded from - I might just put up stuff there that someone could benefit from in theme development for macOS.
OneDrive Sketch folder share
There's nothing secret about this whole process so there's nothing that I hide. The folder share on OneDrive is available for the duration.

Work file means that's is a whole lot of a mess sometimes, but that's theming these days(for me)
I'm often unstructured.

 

[TimothyR734]

Awesome thank you

 

[TheGenerous]

I got a Mac back in 2006 to use Shapeshifter. It was killed after my first OS upgrade and it never worked again ?

Could you please share screenshots of how theming looks like now? thank you

 

[Apple Bite]

Shapeshifter! OH WOW! I miss Kaleidoscope

 

[allan.nyholm]

I got a Mac back in 2006 to use Shapeshifter. It was killed after my first OS upgrade and it never worked again ?

Could you please share screenshots of how theming looks like now? thank you

ShapeShifter was the bomb. No doubt.

Also, theming today is different in many ways from ShapeShifter as there are things near impossible to do with modern macOS' - the Menubar is off limits in some instances and the Finder buttons have a life of their own. Otherwise it's great. Can't say for sure if the Finder button living its own life is because of the way ThemeEngine handles the assets when putting in place.

Instead of me uploading images here, I will do this instead so that an idea is being made.
My Theme gallery on dA

Also this one is in my stash on dA, but a working theme. Just isn't released anywhere because it's majorly altered and some font colors has some experimental dropshadow or internal shadow that needs removal for better appearance, if you will. I think the author of the Windows 10 theme of which this is a port wouldn't mind me sharing however. I think the image is a little small here and it certainly isn't Retina resolution.. go to the link instead if you want

https://sta.sh/013fbonjvrtr

 

[TheGenerous]

I'm gonna throw some names, sites and themes just for the nostalgia;

Max Rudberg, Susumu, Duyvan, Milk, Samui, GuiPod, MacThemes, Konfabulator