GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.
Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
Mercurial SCM - Mercurial is a free, distributed source control management tool.
GitZip - Download or create a download link for a GitHub project folder/sub-folder or file.
Git - Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.
GitHub Hovercard - GitHub Hovercard provides neat hovercards for GitHub.