🔥 The open-source notification infrastructure with fully functional embedded notification center 🚀🚀🚀

The Single Sign-On Multi-Factor portal for web apps

Send push notifications to your phone or desktop using PUT/POST

🔥 A well-tested feature-rich modular Firebase implementation for React Native. Supports both iOS & Android platforms for all Firebase services.

Apprise - Push Notifications that work with just about every platform!

The world's most versatile desktop notifications framework 🌎

React Native Local and Remote Notifications

Free implementation of Play Services

Countly is a product analytics platform that helps teams track, analyze and act-on their user actions and behaviour on mobile, web and desktop applications.

Firebase SDK for Apple App Development

🖥️📱🔔 A utility for sending notifications, on demand and when commands finish.

⚓️ Easily test HTTP webhooks with this handy tool that displays requests instantly.

Bark is an iOS App which allows you to push custom notifications to your iPhone

The push notification service for Ruby.

Send push notifications to mobile devices through GCM or APNS in Django.

A Node.js library to send all kinds of transactional notifications.

A Java library for sending APNs (iOS/macOS/Safari) push notifications

Web Push library for PHP

React Native Library for OneSignal Push Notifications Service

Uniqush is a free and open source software system which provides a unified push service for server side notification to apps on mobile devices.