For all of those who are using it for OpenSource or for Business, be aware that
GitHub has been 1h down (15:47 UTC to 16:56 UTC) for a DDoS attack.
You can still work locally and commit to your local Git repository and
if you want to create and push to your private repositories for FREE, without paying any GitHub fee or suffering from outages.
Create today your account at https://gitent-scm.com/signup.