AngularJS is a JavaScript-based open-source web application framework led by the Angular Team at Google.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Moment.js is a free and open-source JavaScript library that removes the need to use the native JavaScript Date object directly.
Phusion Passenger is a free web server and application server with support for Ruby, Python and Node.js.
RackCache is a quick drop-in component to enable HTTP caching for Rack-based applications.
Ruby on Rails is a server-side web application framework written in Ruby under the MIT License.