If you live in Los Angeles, you are probably already intimately familiar with Watch Duty, the free app that shows active fires, mandatory evacuation zones, air quality indexes, wind direction, and a wealth of other information that everyone, from firefighters to regular people, have come to rely on during this week’s historic and devastating wildfires.

Watch Duty is unique in the tech world in that it doesn’t care about user engagement, time spent, or ad sales. The 501(c)(3) nonprofit…