GitHub Source Code Minimap is a useful Chrome extension developed by Reinis Ivanovs. As the name suggests, it adds a minimap to GitHub's source code viewer, enhancing the overall browsing experience.

The extension seamlessly integrates into the GitHub interface, providing a side panel that displays a condensed version of the source code. This minimap gives users a bird's-eye view of the entire code file, allowing for easier navigation and understanding of the code structure. It is particularly helpful when dealing with large codebases, as it helps users quickly identify different sections and jump to specific parts of the code.

GitHub Source Code Minimap is a free extension, making it accessible to all users. It falls under the "Browsers" category and specifically the "Add-ons & Tools" subcategory. With its intuitive design and practical functionality, this extension is a valuable addition to GitHub's source code viewer.