This little module makes ftp with drupal easy. It doesnt do anything on its own but provides an api to do ftp.
http://drupal.org/project/drupal_ftp [3]
Links[1] https://dominiquedecooman.com/nl/module-review/handy-ftp-module [2] https://dominiquedecooman.com/nl/blog-topics/ftp [3] http://drupal.org/project/drupal_ftp