Syntaxic FPDF is a packaged version of the popular FPDF PHP library, maintained and distributed under the Syntaxic organization.
FPDF is a PHP class which allows to generate PDF files with pure PHP (without using the PDFlib library). The "F" in FPDF stands for Free: you may use it for any kind of usage and modify it to suit your needs.
Original creator: Olivier Plathey (http://www.fpdf.org)
This project is released under a free/permissive license (http://www.fpdf.org/en/faq.php#q5).