PDF to Text - Free bulk conversion of PDF documents to plain text files, which can be opened by any text editor.
Tesseract - Tesseract is an optical character recognition engine for various operating systems
Zamzar - Free conversion online of many type of documents (images, text, video, audio...
Onlineocr.net - Free Online OCR service allows you to convert PDF document to MS Word file, scanned images to editable text formats and extract text from JPEG/TIFF/BMP files
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.
ABBYY FineReader - ABBYY's latest PDF editor software, FineReader 16 you can easily convert files like PDF to Excel, PDF to Word, edit, share, collaborate & more with this PDF editor!