Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Google Sign-In - Google Sign-In is a secure authentication system that enables users to sign in with their Google accounts.
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
uLogin - uLogin is a convenient service to login via social networks.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Facebook Login - Facebook Login is a secure, fast and convenient way for people to log into your app or website.