Best Azure Notification Hubs Alternatives & Competitors in 2025

Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.

Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.

Open Source freemium $9.0 / Monthly (Plus usage-based costs. (Growth Plan). )

Your Ultimate Online Directory Builder | No-Code Tools

Visit website freemium $19.0 / Monthly (Single Website) | $49.0 / Monthly (Unlimited) | $149 (LTD)

Fully managed pub/sub messaging for microservices, distributed systems, and serverless applications

Unleash limitless possibilities with Truepush and save up to $600 monthly. Free up to 10K Subscribers on all features.

Open Source free

Targeted Push Notifications for Mobile Apps

A tool to test push notification feature in your apps

Learn to use the Room Library

SignalR is a server-side software system designed for writing scalable Internet applications, notably web servers.

Kubernetes is an open source orchestration system for Docker containers

Open Source

NATS.io is an open source messaging system for cloud native applications, IoT messaging, Edge, and microservices architectures.

Open Source

Realtime application framework (Node.JS server)

Open Source

Learn how to set up messaging that connects applications and services across on-premises and cloud environments. Tutorials, videos, API references, and more.

Firebase Cloud Messaging (FCM) is a cross-platform messaging solution that lets you reliably send messages at no cost.