Bundt is a zero-dependency JavaScript library providing concise syntax for defining and managing complex application states. It leverages observable patterns and derived state functionalities, facilitating reactive updates across your application components. Bundt promotes code maintainability and simplifies state management, especially beneficial for complex UIs and data-driven applications. With its lightweight footprint and easy-to-use API, Bundt provides a performant and intuitive solution for state management in JavaScript projects.