Softaken PDF Watermark - Softaken PDF Watermark to add text or image watermark to PDF documents
Wondershare PDFelement - All-in-one PDF editor
Sejda - Split, merge and other powerful PDF tools.
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.
BitRecover PDF Bookmarks Extractor Wizard - BitRecover PDF Bookmarks Extractor is capable of extracting PDF bookmarks as separate files without Adobe Acrobat installation. The PDF bookmark exporter will maintain all the original folder structures with the exported bookmark name.
Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.