
PDFTK Builder
PDFTK Builder is a free graphical interface to for PDFTK, making it much easier to use. It is a easy to use tool to collate (merge), split, encrypt, decrypt, stamp and rotate (only 90°, 180° or 270°) pdf documents.
PyPDF2 - A utility to read and write pdfs with Python
PyPDF2 A utility to read and write pdfs with Python
pdf-editor merge-pdf split-pdf encrypt-pdf split-and-join developer-tools python-lib