Let's check some free and useful PDF tools which we can consider as alternatives to Adobe's High end products to edit , create ,convert and enhance PDF documents.

• PDF ReDirect 

PDF ReDirect is a fast, free, and easy-to-use PDF creator. It has no restrictions and no watermarks.Features include encryption, full merging and PDF preview.PDF ReDirect installs as a virtual printer so you can convert documents to PDF files from any program that supports printing.

• Free PDF Editor

This is one completely free and simple PDF editing and creating software, it can help you to create your pdf documents by yourself in minutes.Free PDF Editor comes with a very intuitive GUI that is easy to understand even for the beginner users.It is one WYSIWYG PDF builder, what you see is what you get, and you can insert text, image and shape, then drop, resize and move these PDF elements with your mouse.

• Some PDF Image Extract

Some PDF Image Extract is an easily tool to extract images from PDF files. Some PDF Image Extract can easy help you to extract images in PDF files to TIFF, JPEG, BMP, GIF, PNG, TGA, PBM, PPM.

• PDF XChange Viewer

PDF Xchange Viwer is a  free alternative to Adobe Acrobat Reader.It allows users to View Adobe compatible PDF files and perform additional functionality too like Printing, exporting PDF's to numerous Image based file types, Page Commenting and Annotations.

• Free PDF to Word Converter.

This freeware lets you convert PDF files to Word .doc files. You can also customize your output folder, and choose a destination format in RTF or DOC.But  the layout of the output doc can be different than input PDF if the PDF's layout is very complex.

Check "How to convert PDFs to MS Word Docs" for PDF to Doc free Converters.