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Wondershare PDFelement - All-in-one PDF editor
Nitro Pro - An affordable Adobe Acrobat alternative for editing and creating PDF
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.
PDFForge - PDFForge is the provider of two PDF management tools in shape of PDF Creator and PDF Architect.
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.