HTML2PDF : HTML2PDF is a HTML to PDF converter written in PHP.
It allows the conversion of valid HTML 4.01 in PDF format, and is distributed under OSL.
jsPDF : A library to generate PDFs in client-side JavaScript.
jsPDF : A HTML5 client-side solution for generating PDFs. Perfect for event tickets, reports, certificates, you name it!
HTML_QuickForm2 : This PHP package provides methods to create, validate and render HTML forms.
TCPDF is a FLOSS PHP class for generating PDF documents.