GitZip - Download or create a download link for a GitHub project folder/sub-folder or file.
Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
Elsewhere 3D - Glasses that turn any video into immersive 3D 😎
GitHub Hovercard - GitHub Hovercard provides neat hovercards for GitHub.
Gitstalk - Discover what your favorite GitHub users are up to
Board for Github - A webview based GitHub project app with native features