Covid-19 Design Pack by Artify - Free set of COVID-19 design materials u can edit on the fly
Font Awesome - Font Awesome makes it easy to add vector icons and social logos to your website. And version 5 is redesigned and built from the ground up!
Black Illustrations - Free illustrations of people of color for your next project.
Feather Icons - Simply beautiful open source icons
OLIO - Connect with your neighbours to share food and other things, rather than chuck them away. It’s fast, free, and friendly. Featured by the BBC, Wired.
3dicons - 3dicons library offers beautifully designed open-source 3D icons.