
ExpressJS
StatCounter
Histats
AFSAnalytics
Firebase
Woopra
KISSmetrics
Realtime application framework (Node.JS server)

Pusher
Ably
PubNub
SignalR
Faye
NATS
Firebase
An open, scalable realtime engine for Node.js

Which is more popular?
Based on our record, Socket.io seems to be a lot more popular than SocketCluster. While we know about 741 links to Socket.io, we've tracked only 16 mentions of SocketCluster.
Website, pricing, platforms and company facts side by side.
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| Website | socket.io | socketcluster.io |
| Pricing | ||
| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of SocketCluster yet.
Walkthroughs and reviews on video.
Review And Demonstration - Socket.io - Antiumadam
More videos
013 Client side Logins Authentication with Socketcluster with the client
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Socket.io and SocketCluster. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


It is a web-socket composition that is accessed by different languages of programming. Socket.io in NodeJS allows creating web socket applications such as score tickers, chatbots, dashboard APIs, including others....
Socket.io is a Javascript framework used to construct real-time apps and facilitate two-way communication between the client-side and servers. It uses functional reactive programming. You can construct applications...
In Node.js, Socket.io allows building web socket apps such as dashboard APIs, score tickets, chatbots, and others. It has great benefits over the regular Node.JS web app frameworks.
We have no reviews of SocketCluster yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


I built the backend with nestjs, prisma, postgresql, Webrtc for real time back and forth conv and [socket.io](http://socket.io) events in panel like code run etc…. claude-haiku-4-5 for conv and anthropic.claude-sonnet-4-6 for interview... - Source: Hacker News / 7 months ago
You can create 4 different variations of a Socket.IO server with minimal code changes. And trust me you do NOT want to use the default one. I will be comparing combinations of the runtime (Bun, Node) and the websocket server (ws,... - Source: dev.to / 9 months ago
One possible solution is to use websockets, which establish a persistent connection between the client and server. This will allow us to send data to the client when we want to, without waiting for the client’s next request. Websockets... - Source: dev.to / 9 months ago
This is basically the principle behind https://socketcluster.io/ scalability; the sharding of channels across available brokers is pseudo-random. It uses a hash function for determinism but the distribution looks essentially random. - Source: Hacker News / 4 months ago
I started building something pretty obscure about 14 years ago; https://socketcluster.io/ an open source, WebSocket-based RPC + pub/sub library with a focus on in-order async stream-processing with backpressure monitoring. It didn't... - Source: Hacker News / 4 months ago
I've been advocating for this approach for years. You can't avoid race conditions without using some kind of queueing mechanism and you need backpressure to measure queue capacity. I built this into every aspect of... - Source: Hacker News / 4 months ago
When comparing Socket.io and SocketCluster, you can also consider the following products.

Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
Compare ExpressJS to Socket.io or SocketCluster:

Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
Compare Pusher to Socket.io or SocketCluster:

StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.
Compare StatCounter to Socket.io or SocketCluster:

The realtime platform that just works. We power more WebSocket connections than any other pub/sub platform, serving over 2 billion devices monthly.
Compare Ably to Socket.io or SocketCluster:


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.
Compare PubNub to Socket.io or SocketCluster: