CONV. - Convert YouTube video to MP3, GIF or MP4
Nanonets OCR - Intelligent text extraction using OCR and deep learning
Softorino YouTube Converter - Download YouTube video & audio. Watch and listen offline
TextSniper - Instantly extract any text from your Mac's screen
You-Get - Command-line utility to download media contents from the web
OwlOCR - OwlOCR offers simple optical character recognition of text in PDF files, images or on-screen and converts that to plain text.