OneSignal

Customer engagement platform used by 900K+ developers; the fastest and most reliable way to send push notifications. We at OneSignal believe that enabling organizations to effectively communicate is a key factor that can help slow the spread of COVID-19. In response to the immediate threat of this pandemic, OneSignal is offering all non-profits, government agencies and/or health organizations fighting COVID-19 six months of our Starter Plan service for free. To take advantage of this offer, signup for the service at https://app.onesignal.com/signup and contact our customer support team (support@onesignal.com) to upgrade your account.