NGINX is a web server that can act as a reverse proxy server for HTTP, HTTPS, SMTP, POP3, and IMAP protocols.
In addition to this is can also act as a load balancer and an HTTP cache.
Created in 2002, NGINX (pronounced engine) runs on Unix, Linux, BSD variants, OS X, Windows and more.
The free and open source software can be used to server dynamic HTTP content on the network using FASTCGI, SCGI handlers for scripts, WSGI application servers or Phusion Passenger modules.