Yandex.Images - search for images on the internet, search by image
Tesseract - Tesseract is an optical character recognition engine for various operating systems
TinEye - Reverse Image Search to help find an image's source, duplicates or altered versions.
ABBYY FineReader - ABBYY's latest PDF editor software, FineReader 16 you can easily convert files like PDF to Excel, PDF to Word, edit, share, collaborate & more with this PDF editor!
SauceNAO - SauceNAO is a reverse image search engine.
Google Lens - Discover information about something by taking a photo