Are there ready-made libraries for recognizing objects and faces in pictures?

Question

Pattern recognition

Are there ready-made libraries for recognizing objects and faces in pictures?
Similar to what is implemented on ios. When you photograph a hammer and then you can find this photo by the word hammer? Or to recognize faces and then be able to make a selection of people? It doesn't really matter what language, the main thing is that javascript :) It's a joke. With some truth. JS would be a little nicer

Answer 1

OpenCV.

Answer 2

AWS Recognition
Azure Cognitive Services