GPL compatible License

Hello:

We've developed a drupal module that uses 3rd party php libraries and a jQuery plugin. The module serves the purpose of stamping an uploaded

PDF documented for a drupal user.

The php libraries and iQuery plugin used are
FPDF 1.53 (http://www.fpdf.org) - This is a freeware license
FPDI 1.2 (http://www.setasign.de/products/pdf-php-solutions/fpdi) - Licensed under Apache License, Version 2.0
FPDF_TPL 1.1.1 (http://www.setasign.de/support/manuals/fpdf-tpl/introduction) - Licensed under Apache License, Version 2.0