Neureka

Theano was a Python library for numerical computation that allowed defining, optimizing, and evaluating mathematical expressions involving multi-dimensional arrays.

TensorFlow is an open-source machine learning framework developed by Google for building and deploying ML models across various platforms.

PyTorch is an open-source machine learning framework that provides tensor computation with strong GPU acceleration and deep neural networks built on a tape-based autograd system.

CNTK (Microsoft Cognitive Toolkit) is a deep learning framework that describes neural networks as a series of computational steps via a directed graph.

Caffe is a deep learning framework developed by Berkeley AI Research (BAIR) for image classification and segmentation, known for its speed and expressive architecture.