The Hugging Face Hub (https://huggingface.co) is the world's largest open-source platform for machine learning models, datasets, and applications, hosting over 1.7 million models, 400,000 datasets, and 600,000 demo applications across natural language processing, computer vision, audio, and multimodal AI domains. The platform serves as a Git-based collaborative repository where researchers, practitioners, and organizations can share, version, and build upon ML artifacts with comprehensive documentation through model cards and dataset cards. Access ranges from fully open public repositories to gated and private options.