Add social login (Facebook, Google, Twitter) to my Marketpress

I am trying to build an ecommerce marketplace and am following the tutorial below:

https://wpmudev.com/forums/topic/how-to-build-your-own-etsy-like-site-using-marketpress

Aside, i want to let users login/register on my Site using social logins (Facebook, Google, Twitter). Any pointers to how this can be achieved easily?