GIOS
This is a screenshot of the GIOS PDF splitter and merger v1.0, the first open source PDF splitter and merger tool written in C# .NET. more info download

The BullZip
PDF Printer works as a Microsoft Windows printer and allows you to write PDF documents from virtually any Microsoft Windows application. more info download

Elfima Notepad
is a free text editor to create PDF, SVG, XML, or XHTML documents. more info download

PDFproducer
is a nice little utility which converts plain text into PDF documents.. more info download

Display of EXIF
photo data information, which is written into the photo files by most cameras. more info download

PdfEdit
Free (and open source) editor for manipulating PDF documents. more info download

ePDFView
is a free lightweight PDF document viewer using Poppler and GTK+ libraries Supportfor stdint (i.e, '-') as filename from command line (#59).more info download

Xpdf
is an open source viewer for Portable Document Format (PDF) files. more info download

PDFMap
is both a command line tool, a CGI script and a Python language module, designed to make the automated generation of very high quality interactive maps in the PDF format easy. more info download

chm2pdf
supports most command line htmldoc options. more info download

HTMLDOC
converts Hyper-Text Markup Language ("HTML") input files into indexed HTML, Adobe® PostScript®, or Adobe Portable Document Format ("PDF") files. more info download

Hoopajoo
Allows indexing, customizing page settings, font size, font face, and super-imposing text over an image in the case of using pre-printed forms. more info download

PDF-API2,
Perl Module Chain to faciliate the Creation and Modification of High-Quality "Portable Document Format (aka. PDF)" Files. more info download