Oh My Zsh is an open-source framework for managing Zsh, a powerful shell used in many Unix-like operating systems. It enhances the user experience by providing themes, plugins, and configuration options that make the command line more efficient and visually appealing. With Oh My Zsh, users can easily customize their terminal environment, access a wide range of plugins for various programming languages and tools, and switch between different themes to personalize their interface. This framework simplifies the process of managing Zsh settings, making it accessible for both beginners and experienced users.