NHS COVID-19 App
Live Site
https://covid19.nhs.uk/
Summary
Users can securely communicate potential COVID-19 symptoms to a centralized server via the app, which will send an alert anonymously to other app users who have had signficant contact with the reporter so they can act accordingly. It can also provide information about testing and provide official guidance on reducing the spread of the virus.
Author NHSX
Main point of contact opensource@nhsx.nhs.uk
License MIT
Do they have contributor guidelines? No
Is the project documented? Yes