ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Nanonets OCR - Intelligent text extraction using OCR and deep learning
Thum.io - A real-time website screenshot generator
OwlOCR - OwlOCR offers simple optical character recognition of text in PDF files, images or on-screen and converts that to plain text.
Picmaker - Design the Future
TextSniper - Instantly extract any text from your Mac's screen