CuBit 
 OS kernel
 A formally-verified, 64-bit operating system for x86-64 architecture written in Ada.
General-purpose, formally-verified, 64-bit operating system in SPARK/Ada for x86-64
78 stars
 15 watching
 4 forks
 
Language: Ada 
last commit: over 4 years ago 
Linked from   1 awesome list  
  adaossparkx86-64 
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