Google Lens - Discover information about something by taking a photo
Yandex.Images - search for images on the internet, search by image
GImageReader - gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.
lingvist.info - News & Books
Microsoft Lens - Microsoft Lens (formerly known as Office Lens) is an all-in-one application designed for Windows, Android, and Apple devices, allowing you to capture important information from signs, PDFs, whiteboards, and more to add.
Image Search Options - Download Image Search Options for Firefox. Image Search Options provides a set of highly customizable reverse image search context menu options.