Nanonets OCR - Intelligent text extraction using OCR and deep learning
Synology Note Station - Without needing to spend money on Evernote, Synology Note Station provides a desktop client to organize all your random notes in one place.
TextSniper - Instantly extract any text from your Mac's screen
UpNote - A beautiful and clean cross-platform app for notes organizer
OwlOCR - OwlOCR offers simple optical character recognition of text in PDF files, images or on-screen and converts that to plain text.
Note Board - Productivity app. Save information like a sticky notes.