PDFManagerUltimate - Read, edit, and convert PDF files.
Wondershare PDFelement - All-in-one PDF editor
WidsMob PDFEdit - WidsMob PDFEdit is a cross-platform PDF tool that supports the creation and editing of PDF, merge and split operations, form filling, and digital signature.
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.
ToolRocket PDF Converter - ToolRocket PDF Converter is a professional file format converter on PC. It converts PDF documents in JPG/PNG/Word/Excel/PowerPoint and also converts other files to PDF.
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.