How can I help during the Covid-19 crisis as an open source developer?

Maybe build something like this:

A framework for identifying regional outbreak and spread of COVID-19 from one-minute population-wide surveys https://www.medrxiv.org/content/10.1101/2020.03.19.20038844v...

Wash your hands & stay at home.

Looks : https://app.jogl.io/program/opencovid19