CodeWing is a Chrome add-on that offers next-level code navigation for Python, Java, and Go on GitHub. With CodeWing, users can enhance their code browsing experience and streamline their workflow.

Hovering over a variable allows users to quickly view its documentation, providing valuable insights without having to navigate away from the code. Clicking on a variable takes users directly to its definition, saving time and effort in finding specific code snippets. CodeWing understands all language constructs, including local variables and functions, making it a comprehensive tool for code exploration and understanding.

CodeWing also works seamlessly on pull requests, enabling users to navigate and explore code changes effortlessly. The add-on is lightning fast, ensuring a smooth and efficient code browsing experience. It supports Java, Python, and Go code, catering to a wide range of developers.

Please note that CodeWing has been integrated into Sourcegraph. To access its functionalities, users are advised to install the Sourcegraph Chrome extension instead.