Amazon Machine Learning - Machine learning made easy for developers of any skill level
Keras - Keras is a minimalist, modular neural networks library, written in Python and capable of running on top of either TensorFlow or Theano.
Lobe - Visual tool for building custom deep learning models
Microsoft Cognitive Toolkit (Formerly CNTK) - Machine Learning
Apple Machine Learning Journal - A blog written by Apple engineers
TFlearn - TFlearn is a modular and transparent deep learning library built on top of Tensorflow.