Operating Systems
Overview of different Operating Systems and their Purpose

Tiny11
https://github.com/ntdevlabs/tiny11builder 

  

Atlas OS
https://atlasos.net/ 

  

Revi OS
https://revi.cc/ 

  

Remnux
https://remnux.org/ 

  

Hardening Kitty
https://github.com/scipag/HardeningKitty