onnx (spack): Open Neural Network Exchange (ONNX). ONNX provides an open source format for AI models, both deep learning and traditional ML. It defines an extensible computation graph model, as well as definitions of built-in operators and standard data types. 
Keywords: deep-learning|deep-neural-networks|dnn|keras|machine-learning|ml|mxnet|neural-network|onnx|pytorch|scikit-learn|tensorflow