PDFTools is described as 'PDF management application. It can encrypt, decrypt, join, split, stamp, create and rearrange a PDF file' and is an app in the Office & Productivity category. There are more than 50 alternatives to PDFTools for a variety of platforms, including Windows, Mac, Online / Web-based, Linux and iPad. The best alternative is PDF-XChange Editor, which is free. Other great apps like PDFTools are PDFsam (Freemium, Open Source), Adobe Acrobat DC (Paid), PDFTK Builder (Free, Open Source) and Master PDF Editor (Freemium).
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
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.
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.
Nitro Pro gives you everything you need to create, convert, edit, sign, and share 100% industry-standard PDF files. It's simple, straightforward, and intuitive to use — so you can work more productively, your way.
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.