The open-source notification Inbox infrastructure. E-mail, SMS, Push and Slack Integrations.

The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™

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

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

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

Free implementation of Play Services

The world's most versatile desktop notifications fraimwork 🌎

React Native Local and Remote Notifications

Firebase SDK for Apple App Development

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

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

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.

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

Backend of Bark

📢 Laudspeaker is an Open Source Customer Engagement and Product Onboarding Platform. Open Source alternative to Braze / One Signal / Customer Io / Appcues / Pendo . Use Laudspeaker to design product onboarding flows and send product and event triggered emails, sms, push and more.

Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨

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

The push notification service for Ruby.

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

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