[gglnx]

This will be same for the European Union Green Certificate (DGC): https://ec.europa.eu/health/ehealth/covid-19_en

The German app and implentation will be on GitHub too: https://github.com/Digitaler-Impfnachweis

[radicalbyte]

It has been renamed to DCC now :-)

The apps and integration server are here: https://github.com/eu-digital-green-certificates

The schema and business rules are here: https://github.com/ehn-digital-green-development

Come join us if you're interested in taking a look, it's quite interesting :)