Keras

 Keras is a high-level neural networks API, written in Python and capable of running on top of TensorFlow, CNTK, or Theano. Keras makes it easy to build and train deep learning models with just a few lines of code, while still allowing for advanced customization and fine-tuning of model architecture.

Keras is designed to be user-friendly, with a simple and intuitive interface that abstracts away many of the low-level details of building and training deep learning models. It provides a range of pre-built layers, such as convolutional layers, recurrent layers, and dense layers, that can be easily combined to create complex neural networks. Keras also provides a range of pre-built models, such as VGG, ResNet, and Inception, that can be easily fine-tuned for specific tasks.

Keras supports a wide range of loss functions, optimizers, and metrics, making it easy to customize the training process for specific tasks. It also provides a range of callbacks, such as ModelCheckpoint, EarlyStopping, and TensorBoard, that can be used to monitor the training process and save the best-performing models.

Keras is highly modular and can be used to build a wide range of deep learning models, including convolutional neural networks (CNNs), recurrent neural networks (RNNs), and generative adversarial networks (GANs). Keras also supports transfer learning, which enables developers to reuse pre-trained models and fine-tune them for specific tasks.

Overall, Keras is a powerful and user-friendly framework for building and training deep learning models. Its simplicity, modularity, and flexibility make it a popular choice among developers and researchers in the machine learning community