pdfedit: pdfedit - pdf manipulation library, gui, tools
pdfedit:  
pdfedit: PDFedit is free and open source library for manipulating PDF  
pdfedit: documents, released under terms of GNU GPL version 2. It includes 
pdfedit: PDF manipulating library based on xpdf, GUI and set of command 
pdfedit: line tools. Graphical interface based on QT3 which heavily depends 
pdfedit: on scripting; therefore, any user can modify the behaviour by 
pdfedit: scripts and plugins
pdfedit: 
pdfedit: 
pdfedit: http://pdfedit.cz/en/index.html