nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Ruby on Rails is an open-source web framework that is optimized for programmer happiness and sustainable productivity. It lets you write beautiful code by favoring convention over configuration.
Ubuntu Linux operating system
Google Apps is a cloud-based productivity suite that helps you and your team connect and get work done from anywhere on any device. It's simple to setup, use and manage, allowing you to work smarter and focus on what really matters.
The DOCTYPE is a required preamble for HTML5 websites.
Websites using https protocol.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.