GDS Attic

The GDS Attic is where you'll find archived applications and libraries written by the Government Digital Service. These projects are no longer maintained or supported, but you may still find them useful.

You'll find our active code repositories at, and there's a brief overview of how they fit together at For more about our work, see the GDS blog.

router Scala Our original GOV.UK router.
sign-on-o-tron Ruby The first iteration of a single sign-on provider. Superceded by signonotron2
migratorator Ruby Managed the Directgov to GOV.UK URL mappings.
review-o-matic Ruby Side-by-side browser used to measure the quality of the Directgov to GOV.UK mappings.
datainsight-narrative-recorder Ruby
datainsight-narrative-collector Ruby