• PostgreSQL. <%= ActiveRecord::Base.connection.select_value('SELECT version()') %>
  • Ruby <%= RUBY_VERSION %>
  • Ruby on Rails <%= Gem::Specification.find_by_name("rails").version.to_s %>
  • Stimulus Rails <%= Gem::Specification.find_by_name("stimulus-rails").version.to_s %>
  • jQuery
  • jQuery-UI
  • Bootstrap
  • Font-awesome