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Whitesmiths Ltd

Developer of the first commercial C compiler


Founded in 1986 by Mark Krieger. Created the first commercial C compiler in 1978. The first version ran on the PDP-11 but also had version for Intel 8080/Zilog Z80, Motorola MC68000, and VAX-11. Whitesmiths was involved in the development of ANSI C. A Pascal frontend was added later.

They also developed Idris a real-time Unix like operating system.

  • HQ: New York, NY, USA
  • Known for: Whitesmiths C
  • Type: Company



  • Type: Company