UK Public Sector Code by Organisation

GOV.UK Frontend contains the code you need to start building a user interface for government platforms and services.

Publishes government content on GOV.UK

An autocomplete component, built to be accessible.

One place for service teams to find styles, components and patterns for designing government services.

Rapidly create HTML prototypes of GOV.UK services

This is the code base for the UK Government's e-petitions service (https://petition.parliament.uk)

HTTP router in front of GOV.UK to proxy to backend servers on a single domain.

This repository contains all the code and infrastructure to run the GOV.UK Platform. See https://github.com/alphagov/govuk-helm-charts for application config. Issues created in this repository are for all of GOV.UK Platform Engineering (not just infrastructure)..

The list of APIs in Government

Serves smart answers on GOV.UK

Learn more about the Web Content Accessibility Guidelines

📖 Tech docs for everyone working on GOV.UK

How we build and operate products at GDS

Markdown extension library for Government editors

GOV.UK development environment using Docker 🐳

Single sign-on service for GOV.UK

A topic modelling Python package for analysing one-to-many question-answer data.

A gem to document and distribute frontend components for GOV.UK applications

A template for building technical documentation with a GOV.UK style

GOV.UK staff use this repository as a forum to discuss and make technical decisions

GOV.UK Notify API

We want every form on GOV.UK to be accessible, easy to use and quick to process.

UK legal API for AI agents and researchers.

Serves most frontend pages for www.gov.uk

The Payments Public API in Java (Dropwizard)

Publishes mainstream content on GOV.UK

GOV.UK Notify frontend application

GOV.UK Design System Community Backlog

API to publish content on GOV.UK

Technical documentation for GOV.UK Frontend

Search API for GOV.UK

Serves GOV.UK navigation pages, browse, topic, step-by-steps & services and information pages.

Transcription and minuting of meetings in the public sector.

MCP implementation of parliamentary APIs, including Hansard and Members APIs

Collaboration space for working on data standards and guidance for the DSA

Slack bot that publishes a team's pull requests to their Slack channel

Chrome and Firefox extension for developers working on GOV.UK.

Payments Team Self Service

Manages local links from local authorities on GOV.UK

API for content on GOV.UK

Serves finder and search pages for GOV.UK

Helm charts for the GOV.UK website and publishing platform (content management system). Cluster turnup automation is in https://github.com/alphagov/govuk-infrastructure.

.NET client for the GOV.UK Notify API

Python client for the GOV.UK Notify API

GitHub organisation site for GDS. Also an Apache Maven repository.

OmniAuth adapter to allow apps to sign in via GOV.UK signon

Internal dashboard summarising the release pipeline for components of the GOV.UK web content management system.

This repo contains the tech docs for data.gov.uk

Data warehouse that stores content and content metrics to help content owners measure and improve content on GOV.UK

A set of API adapters to work with the GOV.UK APIs

Part of alphagov/tech-docs-template (issues 👉https://github.com/alphagov/tech-docs-template/issues)

Repository for the GOV.UK Forms admin application

[Deprecated] Styles, scripts and templates for building GOV.UK backend admin apps

The Secure by Design (SbD) Artefact Library provides a centralised repository of proven solutions to common cyber security problems, supporting the implementation of Secure By Design across UK government.

Sends email alerts to the public for GOV.UK

Node client for the GOV.UK Notify API

Beta version of Find Data

Serves contact pages on GOV.UK

Gem to distribute the tech docs project

Technical documentation for teams integrating with GOV.UK One Login

A web application that provides a LLM powered chat experience based on GOV.UK content.

Technical documentation for GOV.UK Pay

Tool to request, approve and create short URL redirects on GOV.UK

Shared code between GOV.UK Notify applications

Managing redirects for sites moving to GOV.UK.

A metadata model for describing data assets for exchanging between UK government organisations.

Library to provide some generic ui components, pages and themes to be used across GOV.UK applications.

GOV.UK Pay Admin Console Users service

"Find My Nearest" API and management tools on GOV.UK

Forms to raise Zendesk tickets to be used by Government personnel on GOV.UK

Publishes specialist documents on GOV.UK

GOV.UK content data and cloud infrastructure for the GovSearch app.

Payments Frontend application in NodeJS

A concourse resource for creating and updating Grafana annotations, now maintained by GOV.UK Pay

CKAN extension for data.gov.uk

Publishes the Service Manual on GOV.UK

Prototypes from the GOV.UK Forms team in the Government Digital Service.

Internal administrative tools service for GOV.UK Pay products.

PHP client for the GOV.UK Notify API

Ruby client for the GOV.UK Notify API

Gem to configure GOV.UK Ruby applications

Manages uploaded assets (images, PDFs etc.) for applications on GOV.UK

RuboCop style rules for GOV.UK's Ruby projects

The product page for GOV.UK Forms

GOV.UK Pay Card Type Identification Service

Stylelint configuration for SCSS and CSS projects

Explore data about GOV.UK content

Bulk merge PRs from the command line

Planning Drawing Validator automatically classifies and validates planning application drawings (floor plans, elevations, site plans, etc.) against UK planning requirements using Vision Language Models.

GOV.UK Android mobile app

The GOV.UK One Login app for Android.

The One Login app for iOS.

pay apps user interface app

GOV.UK Emergency Alerts web application

Publishes step by steps, /browse pages, and legacy /topic pages on GOV.UK

GOV.UK Emergency Alerts API

Documentations for Notify

GOV.UK One Login examples

Infrastructure as Code for Dynatrace Configuration

National Data Library

Publishes foreign travel advice on GOV.UK

Publishes manuals on GOV.UK

An interface between GOV.UK's frontend applications and external APIs involved in location based services.

Java client for the GOV.UK Notify API

This is a working repo for the GOV.UK Design Guide

Support for translation workflow in rails applications

IPV Core backend service

Self service administration tool for service teams to configure their GOV.UK One Login OpenID Connect clients so that they can build and test their integrations

A header for services using GOV.UK One Login

Serves email alert signup pages on GOV.UK

Data Community Technical Documentation

API and synchronisation worker for general site search on GOV.UK

API for processing GOV.UK named requests and anonymous feedback

Checks links on GOV.UK

Tool to tag content and manage the taxonomy on GOV.UK

Technical Documentation for GOV.UK Notify

Cloud Maturity Model and Assessment tool.

Vocabulary and schemas for digital identity

A Gradle module which implements OpenID Connect to return an access token for Android.

GOV.UK One Login product pages

GOV.UK Pay product page

Provide aggregate reporting on payment events

Payments Public API Authentication Service

Allows authorised users to access the GOV.UK draft stack

Homebrew tap for internal GDS command-line tools

Documentation for the design system team – what we do, how we work, etc.

Functional tests for GOV.UK Notify

API for HMRC to publish manuals to GOV.UK

A small rails app for previewing the GOV.UK Markdown variant Govspeak

Documentation for the GOV.UK Content API.

An account for GOV.UK

JavaScript event to convert pasted HTML into govspeak

Prototype / Proof of concept for Unified Notification Service project

Documentation website for credential issuers integrating with GOV.UK Wallet

support for API calls including certificate pinning to AWS and setting user agent

secure storage of data, optionally protected by the user’s biometrics & passcode

A set of commonly used packages including our interpretation of the GOV.UK Design System for iOS and the Government Digital Service (GDS) Analytics Implementation Guide.

Concourse deployment pipelines for GOV.UK Pay

Reusable js scripts for GOV.UK Pay Node.js projects

Admin for GOV.UK search

Message queue consumer that triggers email alerts for GOV.UK

Handles traffic for sites that have transitioned to GOV.UK

Generates URLs for GOV.UK services based on environment

A thin layer around https://github.com/bethesque/pact_broker for running on GOV.UK infrastructure

"Document supertypes" for GOV.UK

Backend code for the Account Management Application

Performance Testing for Digital Identity

Downloadable simulator tool for GOV.UK One Login to allow service teams to develop and test their integration locally

GOV.UK Pay microservice for sending events to callback URLs configured by partner services

Dynamic Apps integrating with GOV.UK Pay

Helm charts for the data.gov.uk website.

Repository to hold GA4 dataform processing

GitHub Action for auto-merging Dependabot PRs as per RFC-156

Gem to work with the GOV.UK content schemas

GOV.UK iOS mobile app

The infra shared by the team manual and the external docs

IPV Core frontend web app

Log fire-and-forget events for analytics purposes for Android

Digital Identity Auditing Services

Address Collector API

Acceptance tests for the Digital Identity Authentication product

Digital identity dev platform demo SAM project

Address Credential Issuer frontend

Log fire-and-forget events for analytics purposes

Run AI agents safely in a MicroVM with sbx

A pkl module defining the schema of concourse pipelines

Site for the GOV.UK Prototype Kit

Plugin for GOV.UK Prototype Kit containing common service templates

This repository contains the end-to-end (E2E) test suite for the GOV.UK platform.

Display screen for GOV.UK search & content

GOV.UK Notify Document Download frontend user application

AIDR platform team core infrastructure

GOV.UK Notify letter PDF and PNG handling service

OCI container images for building and running production Ruby applications on Kubernetes.

GOV.UK Fastly CDN Configuration

Document Download API

GOV.UK Notify Anti-Virus application

Authentication provider for GOVUK App.

GCP mirror of some GOV.UK AWS S3 buckets

Gem to provide common config for Sidekiq in GOV.UK applications

The end to end tests for GOV.UK Forms

Federated Logic and Events eXchange System

This Terraform module exports Azure cost-related data and forwards to AWS S3

Python package for app deployment by the gds-idea unit

DI IPV Credential Issuer Common Lambdas

A service that maintains and provides the intervention status of One Login accounts

Reusable scripts and pipelines for building, testing and reporting on Android repositories.

CRI common libraries

API for the IPV Knowledge Based Verification Credential Issuer

A Swift Package which implements OpenID Connect to return an access token.

An open repo, where One Login technical staff (and friends) choose a technical book to read together and discuss as a community

Message provider lambda to feed Amazon SQS with any number of messages from a simple CSV file backed by Amazon S3.

A place to try things out for data.gov.uk

Functional tests for GOV.UK Emergency Alerts

Step by step pattern - extension for the GOV.UK Prototype Kit

GDS internal system for managing the accessibility testing of public sector websites.

A simple Go program used by GOV.UK to populate mirrors hosted by AWS S3 and GCP Storage

Contains static configuration for GOV.UK mobile app backends

Checks publicly hosted asset files against a known baseline and notifies the appropriate team if attention is required

Tools to evaluate GOV.UK Chat

Like logstasher, but for rack apps.

Scripts to check GOV.UK dependencies (for Dependabot management)

A visual editor for Govspeak built using ProseMirror

A gem to hold shared code which other GOV.UK apps will use to implement accounts-related functionality.

Canonicalise URLs

Reusable terraform modules for the Engineering Access solution

GDS Tech Writers GitHub Training Repo

Auto-generated OpenCode config for LiteLLM proxy - maps model capabilities from models.dev

Core github actions for projects across i-dot-ai workspace

windows claude code setup script

A prototype for connecting users to further support after a chat session can't produce a satisfactory answer

Home for materials and resources relating to the Data Sharing Risk Framework (DSRF) - a set of tools to assist organisations wanting to asses the risk of sharing data

Unified authentication and authorisation guard for the gds-idea web apps.

Account Components - making common journeys resuable across Account Pod

V1 iteration of the passport cri frontend. This is to align with other CRIs

iOS Design System

Frontend for the Knowledge Based Verification Credential Issuer

OAuth Token Generator for use with HMRC APIs

Common frontend components for Credential Issuers

secure storage of data, optionally protected by the user’s biometrics & passcode

V1 iteration of the passport cri backend. This is to align with other CRIs

Stub repository for account management

Repo to hold npm packages used over multi repos

A networking layer - including basic error handling and certificate pinning to AWS.

Upload action for Fargate containers

Advanced implementation of the Coordinator pattern for UIKit on iOS.

The Payments Connector in Java (Dropwizard)

Node.js library for metric instrumentation in GOV.UK Pay

Concourse cron resource

Smoke tests for GOV.UK Pay

pay reusable java artifacts

A generic WAF proxy layer

GOV.UK Pay Java Lambdas

Gem for centralised banner handling

Terraform deployments for GCP data projects. Terraform Cloud Workspaces are configured in https://github.com/alphagov/govuk-infrastructure

Fact Check Manager is a new application in development designed to handle fact checking requests for Publisher and other applications in GOV.UK.

Datagovuk MCP Prototype

:partly_sunny: An interface for requesting AWS accounts

Google Dataform workflow settings and pipeline definitions for GOV.UK Search

GOV.UK test dependencies & configuration

Run Notify locally

A Ruby Gem to highlight additions, deletions and character level changes while preserving original HTML.

Feasibility of using machine classification to determine national applicability of GOV.UK content

A gem for consuming messages from RabbitMQ

Gem to help with A/B testing on the GOV.UK platform

Tools for scanning GitHub repos for use of particular package versions, using SBOMs

Stub calls to our email providers for use during load testing

Used by concourse's pool-resource to keep pipeline locks

To deploy GOV.UK Forms to AWS

AI Toolkit (Knowledge Hub) Components

Flex Platform

Reusable semantic-release and notification workflows

POC for providing local council waste pickup schedules via an API

Terraform module for shipping AWS FOCUS cost exports to GDS

Infrastructure as code for the cddo.cabinetoffice.gov.uk domain

A web app to let registrars apply for a gov.uk domain

Project rAPId

A repo to hold the agent from our ragchat app.

Fraud CRI Frontend

Batteries-included lambda frontend starter project

A reference repository to help accelerate the development of a GOV.UK One Login Signal Exchange Receiver

Digital identity dev platform GitHub action to upload artifacts to deploy

Stubs owned by Orchestration for testing purposes

HMRC Check Credential Issuer API

HMRC Check Credential Issuer

Backend for the identify proving and verification bank account verification CRI

Schemas and Tools for defining and working with Automated Quality Gates

End to end tests to run within the Orchestration pipeline

This repo contains helper functions for logging

A composable library of Claude Code skills that encode engineering, security, accessibility, and delivery standards for assurance-critical GDS engagements - drafting, checking, and proposing at every step while keeping humans in control.

A respository to contain and deploy backend infrastructure to the di-account-data pod

Reusable scripts and pipelines for building, testing and reporting on iOS repositories.

An Observable notebook to help developers interrogate our tech stack - should never store data, only helpers that let you access data quickly if you have the right permissions already

A replacement for Mountebank in the tests for GOV.UK Pay

S3 to Firehose lambda

Firehose transformation lambda

GOV.UK Implementation of Amazon Distribution for Open Telemetry as a Fargate sidecar

Infrastructure-as-code for the GOV.UK Pay GitHub organisation

A Concourse Resource for sending metrics to a Prometheus Push Gateway

GitHub organisation migration validation test repository

Config for K8s prototype

Prototype for Pay-in-a-Box Helm deployment

Config for K8s prototype

Allows citizens and businesses to apply for licences from local and competent authorities

Allows citizens and businesses to apply for licences from local and competent authorities

Publishing tool for Content Blocks

Project hosting content publishing guidance

A detailed suite of E2E tests for Content Modelling

Notes from investigation work that will help with reviews or looking back on technical approaches

A javascript tool for working with content blocks within publishing apps. (In development.)

A repo to test the concourse bag resource where commits are made to test the 'put' functionality of this resource. While this repo sees little activity it is in-use with our staging instance of Concourse. https://github.com/alphagov/concourse-bag-resource

Config and scripts to synchronise the labels used across our repositories.

Code shared between Emergency Alerts repositories

Reusable github actions

Web app to make the Knowledge Graph simpler to search

A Ruby Gem that renders GOV.UK Publishing Content Blocks in a consistent way

Test app to help GOV.UK developers familiarise themselves with Kubernetes release process

OCI container images for utility application

This repository contains all the code to run the operator-requests portal for MNO's

Geospatial extension for CKAN

Official Docker images for CKAN.

Local development environment for Emergency Alerts

Custom code for uses of statuspage.io on projects owned by the Government Digital Service.

A small rails app to show the workings of cross domain tracking in and out of gov.uk

Library of K8s CRDs that GOV.UK depends on

Synthetic test app used to run Ginkgo tests to test aspects of the GOV.UK infrastructure

Scheduled jobs for managing licence applications

Licensing admin application to manage licence applications

Infrastructure for Licensing applications

Public files shared by the GOV.UK Design System team.

Custom metric definitions for WebPageTest

This is a repository to flatten zendesk data from govgraph

Mutating Admission Controller Webhook

Terraform module that deploys govuk's OPA (Open Policy Agent) gatekeeper

Prototype for changes to cookie consent banner and related pages on GOV.UK

Terraform GitHub provider

Service for sharing user consent to cookies across multiple domains

Terraform modules managed by GDS Technology and Security

A Go app to dump, transform (anonymise), compress, backup and restore GOV.UK Databases

Feasibility of suggesting new topics on GOV.UK using a sentence transformer model, document clustering & a large language model

Feasibility of suggesting new topic tags for new & existing documents on GOV.UK dynamically using a large, open-weight embedding model and a vector database

Feasibility of suggesting new topic tags for existing documents on GOV.UK statically using a large, open-weight embedding model and a vector database

Terraform module to create and configure Workspace(s) in Terraform Cloud/Enterprise.

collection of framework wrappers using the i-ai design kit

i.AI Design System

Content Management System for ai.gov.uk website

The Ed-Fi Data Standard serves as the foundation for enabling interoperability among secure education data systems.

i.AI fork of AISI's HiBayES package

An alignment auditing agent capable of quickly exploring alignment hypothesis, specialised towards education

An AI Development framework that enables Dataset management, to fine tuning models, to running Benchmarks to handling custom Evals.

On-demand self-hosted AWS EC2 runner for GitHub Actions

Allows you to maintain all the necessary cruft for packaging and building projects separate from the code you intentionally write. Built on-top of, and fully compatible with, CookieCutter.

Dev

A prototype for connecting users to further support after a chat session can't produce a satisfactory answer, hosted on AWS

Monorepo for GOV.UK Chat V2 from prototype to production

Architecture documentation for FLEX. Others will be added later.

CDK GovUK AWS Asset Tagging

Automates the cleanup of stacks in the development accounts to free resources and reduce costs