Keras - Keras is a minimalist, modular neural networks library, written in Python and capable of running on top of either TensorFlow or Theano.
OpenCV - OpenCV is the world's biggest computer vision library
TFlearn - TFlearn is a modular and transparent deep learning library built on top of Tensorflow.
Amazon Rekognition - Add Amazon's advanced image analysis to your applications.
Clarifai - The World's AI
Microsoft Cognitive Toolkit (Formerly CNTK) - Machine Learning