Dimagi’s technology platform, CommCare, is an offline-first, open source mobile data collection and service delivery platform that is used by 700,000 community health workers around the world. Cumulatively, these frontline workers have registered over 400 million people with CommCare mobile applications. For COVID-19 response, CommCare is being used by several governments and organizations around the world as well as in the United States as the primary contact tracing system of the Department of Public Health in San Francisco, California. CommCare has been used by hundreds of organizations and is considered a leading digital health tool and Global Good. CommCare is the most researched mobile data collection platform for low-resource settings, and has an evidence base of over 65 peer-reviewed studies including eight randomized controlled trials. Together, these studies have demonstrated CommCare’s positive impact on strengthening frontline healthcare systems, frontline worker capabilities (FLWS), and client results.