Image Colorizer - Colorize black and white images automatically
Google Lens - Discover information about something by taking a photo
PhotoGlory - Restore old photos and colorize B&W with one click
GImageReader - gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.
AI Picture Restoration - Free way to remove scratches, sharpen colors, and fix photos
OpenScan - FOSS Document Scanner