NewOCR.com - NewOCR.com is a free online OCR (Optical Character Recognition) service. NewOCR.
Tesseract - Tesseract is an optical character recognition engine for various operating systems
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
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!
pdfocr.org - Best online PDF converter in market, convert your scanned PDF to editabe DOCX, XLSX, TXT, JPG, PNG files using Optical Character Recognition (OCR) technology.
Prizmo - Prizmo is a scanning application for Mac with Optical Character Recognition (OCR) in over 40 languages with powerful editing capability, text-to-speech, and iCloud support.