OneSignal-Cordova-SDK

OneSignal makes engaging customers simple and is the fastest, most reliable service to send push notifications, in-app messages, SMS, and emails. This plugin makes it easy to integrate your Cordova app with OneSignal. https://onesignal.com. Maintained by OneSignal on GitHub, where it has earned 257 stars from the community.

It's actively developed around push-notifications, gcm, fcm, and is a solid reference for anyone building with these tools.