TensorFlow - TensorFlow is an open-source machine learning framework designed and published by Google. It tracks data flow graphs over time. Nodes in the data flow graphs represent machine learning algorithms. Read more about TensorFlow.
Lobe - Visual tool for building custom deep learning models
Keras - Keras is a minimalist, modular neural networks library, written in Python and capable of running on top of either TensorFlow or Theano.
Facebook.ai - Everything you need to take AI from research to production
Floyd - Heroku for deep learning
Deeplearning4j - Deeplearning4j is an open-source, distributed deep-learning library written for Java and Scala.