CodeRunner is a, lightweight integrated development environment (IDE) for macOS, designed to streamline coding and debugging across more than 25 programming languages, including Python, JavaScript, Swift, and C++. Its intuitive interface and rapid execution capabilities make it ideal for quick scripting, testing code snippets, and full-scale development projects. Key Features and Functionality: - Multi-Language Support: Out-of-the-box compatibility with over 25 languages, such as Python, Swift, JavaScript, and C++, facilitating diverse development needs. - Advanced Code Completion: Intelligent code completion with extra-fuzzy search, documentation snippets, and smart ranking of results enhances coding efficiency. - Integrated Debugging Tools: Built-in debugger supporting breakpoints and step-through execution in more than a dozen languages, allowing for efficient error tracking and resolution. - Live Error Checking and Linting: Instant feedback on code with inline error highlighting and support for third-party linters ensures code quality. - Customizable Editor: Over 200 syntax highlighting modes, multiple selections, auto-indentation, and customizable themes provide a personalized coding environment. - Documentation Sidebar: Quick access to language documentation within the editor aids in efficient coding without context switching. Primary Value and User Solutions: CodeRunner addresses the need for a fast, efficient, and user-friendly coding environment on macOS. By supporting a wide range of programming languages and offering advanced features like intelligent code completion, integrated debugging, and live error checking, it enhances productivity for developers. Its lightweight design ensures quick startup and responsiveness, making it suitable for both rapid prototyping and extensive development tasks. The customizable interface and extensive language support cater to the diverse needs of developers, providing a comprehensive solution for coding and debugging on macOS.