UK Trade Tariff duty calculator
The Online Trade Tariff's Rails duty calculator, archived in June 2025.
What it does
A Ruby on Rails web application that walks a user through a duty calculation journey for a commodity code on the UK Online Trade Tariff, starting from the import date, built with GOV.UK Frontend and pointed at the tariff API (the dev environment by default). It runs with Ruby 3.2, Rails 7.0, Node and Yarn, or in Docker Compose. GitHub shows it archived by the owner on 12 June 2025 and read-only.
Where it fits on the map
Not on the map: archived.
The map places maintained projects for a company tax department or a tax authority, without a demo or paid-service flag. Everything else stays on the list with its label.
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Of the same kind, for a shared jurisdiction or tax area. Not a ranking.
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