By uploading code to GitHub, you actually agree to certain terms which imply some level of sharing. You allow forking, and you allow any GitHub user to fork, re

By uploading code to GitHub, you actually agree to certain terms which imply some level of sharing. You allow forking, and you allow any GitHub user to fork, reproduce and modify your code on GitHub. Now, obviously, that doesn't necessarily imply that you grant the user the right to do the same outside of GitHub.