WinHTTrack Website Copier is free software under the GNU GPL, version 3 or
later. See license.txt for the terms.

The complete corresponding source for this exact build:

  Windows interface  https://github.com/xroche/httrack-windows/tree/3ed0025963e69dcf52f45d4e45a57e58b98e2ccb
  Engine             https://github.com/xroche/httrack/tree/16c91fac556b3a06ce72ab0f1307de311b535b54
  coucal (in engine) https://github.com/xroche/coucal/tree/5855b6ed5ffc2d7d7fb8cb5993ddaa977da1f27d

Downloadable archives of those revisions. coucal has to be taken separately:
it is a submodule, so the engine archive carries an empty src/coucal.

  https://github.com/xroche/httrack-windows/archive/3ed0025963e69dcf52f45d4e45a57e58b98e2ccb.tar.gz
  https://github.com/xroche/httrack/archive/16c91fac556b3a06ce72ab0f1307de311b535b54.tar.gz
  https://github.com/xroche/coucal/archive/5855b6ed5ffc2d7d7fb8cb5993ddaa977da1f27d.tar.gz
