infobip/mobile-messaging-sdk-android

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 native Android or Amazon app with OneSignal. https://onesignal.com

Pushwoosh Android SDK

Mobile Messaging SDK for iOS

Airship Android SDK

Library for easily sending SMS and MMS for Android devices

CleverTap Android SDK

Ruby bindings to Firebase Cloud Messaging (FCM) for Android, iOS or Web

Intercom for Android, for integrating Intercom into your Android application.

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 React Native app with OneSignal. https://onesignal.com