For Developers :
TensorFlow : TensorFlow is an end-to-end open source platform for machine learning. The core open source library to help you develop and train ML models. Get started quickly by running Colab notebooks directly in your browser. Click here..
ML Kit (Machine learning for mobile developers) : ML Kit beta brings Google’s machine learning expertise to mobile developers in a powerful and easy-to-use package.
ML Kit is a mobile SDK that brings Google’s machine learning expertise to Android and iOS apps in a powerful yet easy-to-use package. Whether you’re new or experienced in machine learning, you can implement the functionality you need in just a few lines of code. There’s no need to have deep knowledge of neural networks or model optimization to get started. On the other hand, if you are an experienced ML developer, ML Kit provides convenient APIs that help you use your custom TensorFlow Lite models in your mobile apps.
Reference from ai.google