Logiak
Logiak is a no code decision support platform. University of Maryland has built a COVID-19 Screenin App for Zambia MoH in the space of a few days with Logiak. Many other possibilities.
Logiak is a generic platform and can be used to create multi-app data sharing systems. One can easily build a screening app which then registers positives and a contact tracing app with which the positives are immediately shared for tracing.