Covid-19 Check-ups - Run coronavirus company-wide check-ups via Slack. Free.
Vidrio - Holographic screencasting app for Mac. Free for COVID-19
Google's COVID-19 Information Portal - A search portal with safety tips and official stats
Scrimba - Interactive coding screencasts created in an instant
ImmuneCorps - An army of the young and the low-risk helping people in need
GoRails - Ruby on Rails screencasts for Web Developers