Github Issue Reactions is a free Chrome add-on developed by Lasse Norfeldt. This add-on falls under the category of Browsers and specifically the subcategory of Add-ons & Tools.

Github Issue Reactions allows users to quickly get an overview of good comments in a long GitHub issue conversation. With this extension, users can easily view a list of reactions on a GitHub issue and pull request page. This feature is particularly useful for those who want to quickly identify positive and constructive comments without having to manually scroll through lengthy conversations.

Overall, Github Issue Reactions is a handy tool for GitHub users who want to streamline their workflow and efficiently navigate through issue discussions. The add-on is available for free on the Chrome Web Store and can be easily installed to enhance the GitHub experience.