Pusher Alternatives

Realtime application framework (Node.JS server)

Open Source

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

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Try for free Open Source freemium

PubNub is a real-time messaging system for web and mobile apps that can handle API for all platforms and push messages to any device anywhere in the world in a fraction of a second without having to worry about proxies, firewalls or mobile drop-offs.

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). )

Serious realtime infrastructure

freemium

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

Open Source free

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

APIs for the development of scalable newsfeeds and chat applications.

Open Source paid

Engage your mobile and desktop web users with intelligent web push notifications.

SendBird is messaging-as-a-service.

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

Open Source

Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.

Re-engage website visitors with push notifications