GImageReader - gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.
PicturetoText.io - This picture to text converter allows you to convert and copy text from images and scanned documents for free of cost.
Adobe Scan - Scan anything into a PDF using your mobile device.
Image to Text - Extract text from any image using OCR
Tesseract - Tesseract is an optical character recognition engine for various operating systems
Image to Text Converter - Image to text converter is a free online image OCR tool that allows you to extract text from image at one click. It converts picture to text accurately