Note that MetaMask, by operating a public repository on GitHub, has agreed to grant all GitHub users worldwide the right to fork their public repository on GitHub, regardless of the terms otherwise stated in their new license.<p>> <i>If you set your pages and repositories to be viewed publicly, you grant each User of GitHub a nonexclusive, worldwide license to use, display, and perform Your Content through the GitHub Service and to reproduce Your Content solely on GitHub as permitted through GitHub's functionality (for example, through forking).</i><p>(Disclaimer, I am not your lawyer.)