SwissCovid is the official contact tracing app of Switzerland.
Statistische Analyse und Visualisierung der täglichen Diagnoseschlüssel ...
A simple COVID-19 exposure notification detector for ESP32.
接触確認アプリ COCOA の非公式ドキュメント
Open Source / i18n / iOS Android Cross Platform Contact Tracing App by e...
Covid-19 contact tracing with Exposure Notification API on ESP32
Apturi Covid Android lietotne