Google Lens - Discover information about something by taking a photo
Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.
GImageReader - gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.
DeepL Translator - DeepL Translator is a machine translator that currently supports 42 language combinations.
OpenScan - FOSS Document Scanner
Lingva Translate - Lingva Translate is a language translation application that helps you to translate any language of the world to any language of your choice.