[supriyo-biswas]

The only ones that I've found are Windows "mods" that use a combination of NTLite[1] for feature removal and slipstreaming and some edits to icon resources in system32.dll etc.

Did you have something else in mind? Email is in my profile in case you have a link that you can share.

[1] https://www.ntlite.com

[userbinator]

https://news.ycombinator.com/item?id=24640878 has yielded some interesting underground developments, not surprisingly mainly in CIS countries and the Orient.