Best SocketCluster Alternatives & Competitors in 2024

Realtime application framework (Node.JS server)

Open Source

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.

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

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

Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.

Open Source

Primus, the creator god of the transformers & an abstraction layer for real-time to prevent...

Open Source

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

Simple pub/sub messaging for the web

Open Source

SockJS is a browser JavaScript library that provides a WebSocket-like object.

Simple, secure & standards compliant web I/O for the most demanding of applications - uNetworking/uWebSockets

Quickly and easily distribute your events between services. See a log stream and debug events before they even get to your services.

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

Open Source

The definitive realtime experience platform. Built for scale.

freemium

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). )