====== Niche/educational operating systems ======

  - inferno os
  - sortix
  - inferno os
  - temple os
  - haiku os
  - ChrysaLisp
  - Essence os
  - https://github.com/khaledh/fusion
  - osakaOs
  - Piko-piko os
  - CascadeOS
  - https://github.com/ReturnInfinity/BareMetal-OS
  - http://sebastianmihai.com/snowdrop/
  - https://jotalea.com.ar/misc/jotaleaos/
  - genode.org