Open Notebook is a powerful open-source note-taking and research platform that integrates artificial intelligence, designed for researchers, students, and professionals. It aims to enhance their learning and capabilities while providing complete control over workflow, models, and data usage and exposure. This product represents a new type of privacy-preserving learning tool that helps users organize notes, generate podcasts, and deeply understand learning content with AI technology, all while ensuring the protection of users' data privacy. Open Notebook is an open-source project that encourages community involvement and contributions to create a personalized intelligent partner for individual development.