Tesseract - Tesseract is an optical character recognition engine for various operating systems
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!
PrimeOCR - PrimeOCR is listed among the leading OCR.
PDF OCR X - PDF OCR X is a simple drag-and-drop utility for Mac OS X and Windows that converts your PDFs and photos into textual content files or editable PDF documents.
OCR.space - The OCR.
Smart OCR - Shrewd OCR is the brand new way to deal with a lot of paper work.