Google Lens - Discover information about something by taking a photo
SauceNAO - SauceNAO is a reverse image search engine.
GImageReader - gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.
Yandex.Images - search for images on the internet, search by image
OpenScan - FOSS Document Scanner
Drone Keyboard for Tello - A new way to control your Tello Drone