Apache MXNet
Apache MXNet is a flexible and efficient open-source deep learning framework suitable for research prototyping and production. Its key features include a hybrid front-end, distributed training, and multi-language support. MXNet's strengths lie in its flexibility and efficiency, supporting rapid prototyping to large-scale distributed training. The framework offers the Gluon API for seamless switching between imperative and symbolic programming modes. MXNet supports multiple programming languages and has a rich ecosystem of tools and libraries. However, users should note that the community size and resources might be relatively smaller compared to some other frameworks.