The Coherent PDF Command Line Toolkit provide arobust, professional set of tools for manipulatingPDF files. The operations it offers includes splitand merge, linearize, encrypt, scale, rotate,crop, bookmark, stamp, watermark, annotate,attach, and much more. It's based on the camlpdflibrary.License: Other/Proprietary License with Free TrialChanges:
The toolkit was ported to Solaris 10 Intel andSparc. New features and bugfixes were added.