If you are looking for fb login, check the results below :
Log into Facebook | Facebook
https://mtouch.facebook.com/login/

Log into Facebook to start sharing and connecting with your friends, family, and people you know.
Log into Facebook | Facebook
https://www.facebook.com/login/
Log into Facebook to start sharing and connecting with your friends, family, and people you know.
Web – Facebook Login – Documentation – Facebook for Developers
https://developers.facebook.com/docs/facebook-login/web/
Facebook Login with the Facebook SDK for JavaScript enables people to sign into your web page with their Facebook credentials.
Messenger – Home | Facebook
https://www.facebook.com/messenger/
Messenger. 11,484,946 likes · 35,249 talking about this. Messenger from Facebook helps you stay close with those who matter most, from anywhere and on any device.
Permissions – Facebook Login – Documentation – Facebook for …
https://developers.facebook.com/docs/facebook-login/web/permissions/
Managing Permissions in Facebook Login for the Web. One of the most important parts of launching the Login Dialog is choosing what data your app would like …
Facebook – Log In or Sign Up
https://facebook.com/
Log into Facebook to start sharing and connecting with your friends, family, and people you know.
Login – Web SDKs – Documentation – Facebook for Developers
https://developers.facebook.com/docs/reference/javascript/FB.login/
Calling FB.login() results in the JS SDK attempting to open a popup window. As such, this method should only be called after a user click event, …
Facebook – Log In or Sign Up
https://touch.facebook.com/
Create an account or log into Facebook. Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.
Android – Facebook Login
https://developers.facebook.com/docs/facebook-login/android/
Facebook Login for Android – Quickstart. The Facebook SDK for Android enables people to sign into your app with Facebook Login. When people log into your app …
Facebook Business Suite and Business Manager Overview
https://business.facebook.com/
If you’re an advertiser on Facebook who shares access to multiple Pages and ad accounts with other people, we recommend you transition to Business Manager.