Covid-19 Design Pack by Artify - Free set of COVID-19 design materials u can edit on the fly
Interfacer - Collection of more than 200+ free design resources
Coronavirus Press Kit - Browse or create your own Covid-19 stock photos for free
Freebiesbug - Collection of the best free web design resources.
GLYPHICONS Contagion set - Bold icons for tough times
UX Database - The biggest free curated product design resources & tools