PDFsam - PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files
Foxit PhantomPDF - Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.
PDFill - Open, View, Edit, Save and Print PDF Documents without Adobe Acrobat
PDF24 PDF Creator - Create PDF and convert documents to PDF for free with the free PDF24 PDF Creator.
UnityPDF - UnityPDF lets you merge, split, divide, rotate, protect PDF files and more.
PortableSigner - PortableSigner is a signing (with X.509 certificates) program for PDF files.