PDFTK Builder - PDFTK Builder is a free graphical interface to for PDFTK, making it much easier to use.
Free Any Data Recovery - 100% Completely Free Data Recovery Software
PDF Arranger - Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop...
A-PDF Restrictions Remover - For 9.99 $ A-PDF Restrictions Remover is extremely easy to use.
Debenu PDF Tools - Simple to use solution to merge PDF files, edit document properties, add and edit custom metadata, convert images to PDF, convert PDF to text and much more.
Recover PDF Password - Recover PDF Password for Mac recovers forgotten passwords to PDF and unlocks PDF documents.