Login with facebook or other social media

Tyler Buth 6 aastat tagasi uuendaja Elliot Gerchak 5 aastat tagasi 1
I can't figure the name for such authentication methods. But it would be nice, like userecho has, to be able to login to codeivate using facebook, google+ or some other social media. 
I would really like to be able to sign in using github.