This project aims to offer a simple cross-platform (Linux,
Windows, Mac OSX) 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.
It's licensed under GPL!
You can download Briss from http://sourceforge.net/projects/briss/files/
Here is a collection of blogs post dealing with Briss:
The projekt ist hosted on sourceforge, and since its just a spare time project i realy appreciate any help, so just stop by and post bugs/feature request into the tracker: bug tracker
If you want to contact me, use this thread: Briss thread on mobileread.com or write an email to "gerhard dot aigner at gmail dot com"