Tesseract - Tesseract is an optical character recognition engine for various operating systems
spaCy - spaCy is a library for advanced natural language processing in Python and Cython.
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
Sinequa - Sinequa provides a real-time big data search & analytics platform and offers access to all structured and unstructured data.
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!
AYLIEN - AI-Driven Media Intelligence with AYLIEN News API. The hassle-free way to build accurate and flexible media monitoring solutions.