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PDF editor with ability to browse/edit the tree of raw pdf objects

Convert your documents

Edit PDF document metadata

Tricks for PDF Files

Productive PDF Software That You'll Love to Use

Yet another comic reader

An application to perform common editing operations on PDF files

Simple tool to rearrange, merge, delete and rotate pages in PDF files

Graphical interface for the PDF Toolkit (PDFtk)

Simple application that joins multiple PDF files together

PDF Maker

PDF viewer designed for reading research papers and technical books

Crop PDF files

veraPDF is a file-format validator for the PDF/A archiving standard

HTML Conversion Software

Modify PDF sewing patterns

iText RUPS is a tool to view PDF structure