PDFCrop is a Perl script that crops the white margins of PDF pages and rescales them to fit a standard size sheet of paper. It makes the printed pages far more attractive to read!
This project aims to offer a simple cross-platform application for cropping PDF files. A simple user interface lets you define exactly the crop-region by fitting a rectangle on the visually overlaid pages.
A visual tool for cropping pdf files.
diff-pdf is a tool for visually comparing two PDFs.
A commandline utility to search text in PDF files.
Tabula is a tool for liberating data tables locked inside PDF files.
Tabula allows you to extract that data into a CSV or Microsoft Excel spreadsheet using a simple, easy-to-use interface. Tabula works on Mac, Windows and Linux.
There are many programs to read and write PDF documents. All of the PDF readers from here are Free Software, respecting your basic four freedoms to use, study, share and improve them.
PDF-Shuffler is a small application, which helps the user to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface.
wkhtmltopdf is a command line tool to render HTML into PDF and various image formats using the Qt WebKit rendering engine.