Deep learning toolkits

1. Microsoft CNTK
• other reference 
2. Theano
3. Google TensorFlow
4. Caffe
5. Caffe2 
6. Torch
7. PyTorch
8. apache/incubator-mxnet
1. Efficient for multi-gpu processing 
2. Example project from UT Austin 
9. MIT has pure C++ library (find it later?)
10.