Review on GitHub is a Chrome extension developed by Sebastian Gräßl. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools.

This extension enhances the functionality of github.com by allowing users to make notes in files and compile them into a list for easier reference. Whether you're reviewing code, writing documentation, or collaborating with others, Review on GitHub provides a convenient way to add annotations and comments directly within the files.

With Review on GitHub, you can easily highlight specific lines of code, leave comments, and even create checklists for tracking tasks or issues. These annotations can then be compiled into a list and added to an issue, providing a comprehensive overview of the changes or feedback that needs to be addressed.

Overall, Review on GitHub is a valuable tool for anyone who frequently uses github.com for code collaboration and review. It streamlines the review process by allowing users to leave detailed notes within files and compile them into a concise list for easier tracking and communication.