I can't find any new answers to this question. I was just wondering if there is any way that multiple people can work on the same project? I don't mean at the same time. An example of what I am talking about is with the Unreal Engine, there is something called Perforce I think and it when one person is done working on it, they update it on their end, and the next person can "checkout" the file and it updates the changes the other guy did.
Any help will be appreciated!