Ahoy is a Ruby gem that provides simple and powerful analytics for Ruby on Rails applications.
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.
Leaflet is the open-source JavaScript library for mobile-friendly interactive maps.
Ruby on Rails is a server-side web application framework written in Ruby under the MIT License.
Unpkg is a content delivery network for everything on npm.