I figured I'd get some downvotes mentioning PLTR here. ;-)
GPalantir is definitely being more open with their demo now, so there are some good ones on their youtube channel.
You can skim through.
https://www.youtube.com/watch?v=uF-GSj-Exms
I'm impressed by how polished everything looks. As a person who does UX / product design, their working software looks better than most designer's portfolio mockups.
I'm impressed by how fast and snappy everything works or feels.
I'm impressed by how rich and custom tailored their UI component library is.
I'm impressed by how focused and tailored their UI for job at hand.
I'm impressed by how every single page in their application looks beautiful, not just a handful.
They actually have all their React UI library published as opensource here. https://blueprintjs.com/
If there's anyone from pltr reading this, good job. Your design people are amazing.