This could be solved by perhaps have a public repositories fields
Public Repositories: GitHub: BBBB
or maybe having the ability to have more than one website link which can be named, like
website Homepage: AAAA
My Furies Home Page: EEEE
The public repositories fields seems like a good idea as I am sure a lot of people have public repositories.
Another possibility is as well as the standard fields let people add there own,
Favourite pastime: Dressing Cats up as victorian era authors and publishing their photos on the internet.