github-activity-extension is a free Chrome browser extension developed by Darcy Clarke. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This extension allows users to toggle the display of noisy activity notifications in issue and pull request (PR) threads on GitHub.

With the github-activity-extension, users can manage their notifications more effectively, especially when working with project management tools like ZenHub that provide additional means of metadata and activity. By toggling the display of noisy activity, users can focus on the most relevant information without being overwhelmed by unnecessary notifications.

This extension is a valuable tool for GitHub users who want to streamline their workflow and improve productivity by reducing distractions. Whether you're a developer, project manager, or contributor, the github-activity-extension can help you stay focused on the most important tasks at hand.