MOS - Lightweight game engine.
Corona Tracker - Coronavirus tracker app for iOS & macOS with maps & charts.
COVID-19 Tracker - Interactive Coronavirus map and tracker with related news feed from Microsoft Bing.
COVID-19 Globe View - An interactive dashboard of COVID-19 cases plotted on a globe
Remote Mouse - Turn your smartphone into a wireless touchpad and keyboard now!
Ploopy - An open-source trackball.