PDFsam - PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files
AutoMetadata - AutoMetadata is a tool for exploring and manipulating metadata, document properties, and viewer preferences in multiple PDF documents.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Pdfinfo - Pdfinfo is a PDF document information and metadata extractor tool.
Stapler - Manipulate PDF documents from the command line
PDF Shaper - a collection of PDF tools and utilities to modify and optimize your PDF documents and its content