GImageReader - gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.
Buno - Simple Note Taking - Simple, minimal & easy note-taking
Adobe Scan - Scan anything into a PDF using your mobile device.
Text Case - Format any raw text on iOS and more 📝
Tesseract - Tesseract is an optical character recognition engine for various operating systems
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.