PDF Arranger is described as 'Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface'. There are more than 50 alternatives to PDF Arranger for a variety of platforms, including Windows, Online / Web-based, Mac, Linux and iPhone. The best alternative is PDFsam, which is both free and Open Source. Other great apps like PDF Arranger are PDF-XChange Editor (Freemium), Adobe Acrobat DC (Paid), PDFTK Builder (Free, Open Source) and Master PDF Editor (Freemium).
PDFsam Basic is a free, open source, multi-platform software designed to: * Merge PDF files (the entire documents or selected page ranges), retaining or discarding bookmarks, acroforms and generating or not a table of contents.
The smallest, fastest, most feature-rich PDF editor/viewer available * Full Direct Content Editing (text based PDFs, not scanned/image based PDFs) * Includes OCR feature * View, Edit, and annotate PDF files
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.
PDF Expert lets you read and annotate PDF documents, highlight text, make notes and save these changes being compatible with Preview and Adobe Acrobat. Moreover, PDF Expert is the only iPhone application that can fill PDF forms!
PDF Shaper makes it easy to tailor the content of PDF files. Users can split PDF files into smaller PDFs, extract or delete individual pages, and encrypt and decrypt files. It's just as simple to merge multiple PDF files into a larger file.