Backend

• Entity Framework Core
  For handling data in an easy, code first approach

• MediatR
  For handling messaging internally when the different areas of the code need to communicate

• Fluent Validation
  Rule and data validation engine for the backend / API

• Automapper
  For mapping object in the code, to not do it manually, it also offers object property filtering and transformation in an easier way than writing it from scratch

• Serilog
  In the core election code, this is used for capturing errors and formatting them correctly.
  In OS2Valghalla 3.0 we will extend it to also capture other events.

• RabbitMQ
  Queue library for use in different scenarios where it would be necessary to have a queue, like sending digital post and automatically updating participant core data.

Frontend

• Angular
  Selected Frontend JavaScript library

• Angular Material
  Components and visualization library for Angular.

• SubSink
  Sbuscription framework to handle subscription (create, remove, change) on controls, components, elements, variable etc.
  With an easy model to register and unregister subscriptions.

• Transloco
  Framework for handling languages in the solution

• Observable store
  Frontend state framework that can be used with SubSink to make powerful state aware solutions

• Tailwind CSS
  Used where Angular materials lack sufficient control or is difficult to work with.

• designsystem.dk
  Danish HTML, CSS and JavaScript framework targeted public (government, municipal or other public institutions) systems
  We will primarily be using the CSS.

Test

• NetArchTest
  An easy framework to create coded rules for unit testing.