Hugging Face provides the "Hugging Face Hub," a platform for collaborative AI development, and various open source tools and resources. The Hub is a platform where many users develop, manage, and share the models and datasets. It has many features, including model training on various infrastructres and seamless deployment to cloud and edge services. Hugging Face develops a variety of open source materials. Software libraries and frameworks for AI development such as Transformers are representative, and it also provides extensive educational resources and a community for AI developers. In this session, we will walk through HF's open ecosystem and see how it can help your AI development.