You gave me some more ideas.

Christitus Winutil https://github.com/ChrisTitusTech/winutil

https://i.imgur.com/v9RiOUI.png

Windows MMC consoles like Computer management, Cert manager etc.

https://i.imgur.com/MqbpdBe.jpeg

Windows ADUC Attribute Editor and ADUC in general

https://i.imgur.com/VWrONfD.png

Anything for Windows 2000s server admins before 2012 destroyed the UI