PDFedit is a free PDF editor for Unix-like operating systems (including Cygwin on top of Windows). It does not support editing protected or encrypted PDF files or word processor-style text manipulation.
PDF-Shuffler is a small application which allows one to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intui…
Scan Tailor is an interactive post-processing tool for scanned pages. It performs operations such as page splitting, deskewing, adding/removing borders, etc.