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:

LibrariansDiarmuid J Pigottresonsibility for incunabula-1989
Bruce M Axtens1990-present
QuartermasterSteve Poulson

© Diarmuid Pigott 1995-2015. Do not copy, do not reproduce! why?