GImageReader - gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.
Notepin - Extremely simple note-taking + blogging ✍️
Adobe Scan - Scan anything into a PDF using your mobile device.
Buno - Simple Note Taking - Simple, minimal & easy note-taking
Tesseract - Tesseract is an optical character recognition engine for various operating systems
QuickJots - Jot down quick notes and auto-save them with QuickJots. Use GitHub Flavoured Markdown to easily embed images, or even task-lists to track to-dos. It's private — all notes stay local; no login or downloads are needed. There's a dark mode too!