Ahoy is a Ruby gem that provides simple and powerful analytics for Ruby on Rails applications.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Ruby on Rails is a server-side web application framework written in Ruby under the MIT License.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.