It’s mainly a developer tool based on Git, a version control system. You know how to can go back to a previous version of a document in Google Docs for example? It’s kinda like that, but more powerful.
Github adds a whole layer around Git with issue tracking and other project management tools, as well as automation tools to name a few.
It’s mostly used to track progress and change history of source code. So when you clone a Github repo to your local machine, you essentially get a copy of the files and their entire change history along with it.
So yes, you might need to compile the source code, depending on the programming language used.
According to them, any Arab is considered a terrorist. Even new borns.