pdfedit
PDFedit pdf manipulation library, gui, tools

Download

See download for each of the pdf editor section separately.

Pdfedit library

crossplatform c++ (*nix, win*, bsd) library, open-source

Pdf edit GUI for *nix systems

qt3 based scriptable GUI, open-source

Pdf edit GUI for windows (win32) system beta

original version by Eva Peskova, qt4 based, msi installer

Pdf edit tools based on pdfedit beta

crossplatform c++ (win32/64, *nix, win*, bsd) library, open-source