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/d6fe2c2693bbd1495a039dda65914d5c3e7c3460
  Engine             https://github.com/xroche/httrack/tree/b9056e65183a436feef0fa392a1cc0477be0df49
  coucal (in engine) https://github.com/xroche/coucal/tree/0392e05e70c78e017ba5d79607d4c6a70366be80

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/d6fe2c2693bbd1495a039dda65914d5c3e7c3460.tar.gz
  https://github.com/xroche/httrack/archive/b9056e65183a436feef0fa392a1cc0477be0df49.tar.gz
  https://github.com/xroche/coucal/archive/0392e05e70c78e017ba5d79607d4c6a70366be80.tar.gz
