* [Gman v8.0.0](https://github.com/benbalter/gman) – Gman is a Ruby gem that validates government domains from email addresses or websites and returns related metadata like country, type, and location.

* [GOV.UK Prototype Kit v13.20.5](https://github.com/alphagov/govuk-prototype-kit) – Rapidly create interactive HTML prototypes that mimic GOV.UK service pages.