Livebook is an interactive and collaborative web-based notebook designed for writing, running, and sharing code in Elixir. It provides a rich environment for data exploration, visualization, and documentation by combining executable code, text, and multimedia in a single document. Livebook supports real-time collaboration, allowing multiple users to work together seamlessly, making it ideal for data scientists, developers, and educators who want a dynamic and interactive way to prototype, analyze data, and share insights. The platform is fully open-source and can be self-hosted, offering flexibility and control over your computational environment.