Great, right? Another cool thing is you can make demos for you app and anyone can remix them and share them. For example, you can click here to get a express server running on your own custom domain. No account, no anything. Try it out!
Lets get into the developer stuff. We first need to know what we can use:
You can find that same list (and even more) here!. Now we can start developing. Write some basic code or make a major project.
Tools->Import and Export. All you have to do is sign in with GitHub. You can also use the console (Tools->Console) and use
git push <https://github.com/user/repo> mainwhich might work better.