COVID-19 Trends - See the growth and decline of topics affected by COVID-19
#Masks4All - Wear a homemade mask to slow the spread of COVID-19
C-19 COVID Symptom Tracker - Self-report COVID-19 symptoms & help slow the spread 🇬🇧
Operation Masks - A non-profit group of entrepreneurs to fight against COVID19
Covid-19 Check-ups - Run coronavirus company-wide check-ups via Slack. Free.
WearYourMask - An app that helps you remember your mask when you go out