Online Historical Encyclopaedia of Programming Languages

An online roster and genealogy of 8945 programming languages from the 18th century to the present, featuring 7,800 influence links and over 11,000 citations.

Here is the genealogical tree of HOPL:

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  • About HOPL
  • How to navigate and the rationale of the Gernsback Machine
  • What exactly is a computer language?
  • Analysis and reports
  • Computer language taxonomy and genealogy
  • References works
  • Links etc to other sites
  • Thanks and acknowledgements
    • LibrariansDiarmuid J Pigottresponsibility forincunabula-1989
    Bruce M Axtens1990-present
    QuartermasterSteve Poulsonhouse programming (sim)

    © Diarmuid Pigott 1995-2020. Do not copy, do not reproduce! why?

    Send all errata and crash notifications to [email protected]