Socket.io Alternatives

Socket.io is described as 'Socket.IO aims to make real-time apps possible in every browser and mobile device, blurring the differences between the different transport mechanisms' and is an app in the development category. There are more than 25 alternatives to Socket.io for a variety of platforms, including Windows, Linux, Mac, JavaScript and Web-based apps. The best Socket.io alternative is SockJS, which is both free and Open Source. Other great apps like Socket.io are Ably, Jetty, JBoss and SignalR.

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Socket.io alternatives are mainly Software Frameworks but may also be Web Servers or Web App Development Tools. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Socket.io.

Socket.io

Free • Open Source

Socket.IO aims to make real-time apps possible in every browser and mobile device, blurring the differences between the different transport mechanisms.

More about Socket.io

Socket.io alternatives page was last updated Dec 23, 2023

SockJS
SockJS is a browser JavaScript library that provides a WebSocket-like object. SockJS gives you a coherent, cross-browser, Js API which creates a low latency, full duplex, cross-domain communication channel between the browser and the web server.
7 SockJS alternatives
License model
- Free • Open Source
Platforms
- Mac
- Windows
- Linux
- JavaScript
- Node.JS
SockJS Features
Backend
Show all NaN SockJS features ▾
SockJS VS Socket.io
Is SockJS a good alternative to Socket.io?
- SockJS is the most popular Windows, Mac & Linux alternative to Socket.io.
- SockJS is the most popular Open Source & free alternative to Socket.io.
- SockJS is Free and Open SourceSocket.io is also Free and Open Source

Ably
Ably’s APIs provide developers with the infrastructure to power realtime functionality at any scale. Instead of building and operating infrastructure, engineers can focus on shipping the features and functionality that matter to their customers.
12 Ably alternatives
License model
- Freemium • Proprietary
Application types
- Web App Development Tool
- Backend as a Service
Platforms
- Online
Ably Features
1. Websocket streams
2. Data streaming
3. REST API
4. Protocol Adaptors
5. Reactor queues
Show all NaN Ably features ▾
Ably VS Socket.io
Is Ably a good alternative to Socket.io?
- Ably is the most popular Web-based alternative to Socket.io.
- Ably is Freemium and ProprietarySocket.io is Free and Open Source

Jetty
The Jetty Web Server provides a HTTP server and Servlet container capable of serving static and dynamic contend either from a standalone or embedded instantiations.
11 Jetty alternatives
License model
- Free • Open Source
Application type
- Web Server
Platforms
- Mac
- Windows
- Linux
Jetty VS Socket.io
Is Jetty a good alternative to Socket.io?

JBoss
JBoss is Red Hats Java EE 5-compliant (soon Java EE 6-compliant) application server. It is, as with Red Hat itself, dual-licensed either as open source (community edition) or commercially (enterprise edition).
15 JBoss alternatives
License model
- Free • Open Source
Platforms
- Mac
- Windows
- Linux
JBoss Features
Java based
Show all NaN JBoss features ▾
JBoss VS Socket.io
Is JBoss a good alternative to Socket.io?

SignalR
ASP.NET SignalR is a new library for ASP.NET developers that makes it incredibly simple to add real-time web functionality to your applications. What is "real-time web" functionality? It's the ability to have your server-side code push content to the connected...
6 SignalR alternatives
License model
- Free • Open Source
Platforms
- Windows
- .NET Framework
SignalR Features
HTTP server
Show all NaN SignalR features ▾
SignalR VS Socket.io
Is SignalR a good alternative to Socket.io?

simperium
Simperium is a service for developers to move data everywhere it's needed, instantly and automatically.
10 simperium alternatives
License model
- Freemium • Proprietary
Platforms
- Mac
- Windows
simperium VS Socket.io
Is simperium a good alternative to Socket.io?

WebSocket-Node
A WebSocket Implementation for Node.JS ( Draft -08 through the final RFC 6455 )
6 WebSocket-Node alternatives
License model
- Free • Open Source
Platforms
- Mac
- Windows
- Linux
- JavaScript
- Node.JS
WebSocket-Node VS Socket.io
Is WebSocket-Node a good alternative to Socket.io?

Pusher
Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality to web and mobile apps.
38 Pusher alternatives
License model
- Paid • Proprietary
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
Pusher Features
Websocket streams
Show all NaN Pusher features ▾
Pusher VS Socket.io
Is Pusher a good alternative to Socket.io?
- Pusher is the most popular Android, iPhone, iPad & Android Tablet alternative to Socket.io.
- Pusher is the most popular commercial alternative to Socket.io.
- Pusher is Paid and ProprietarySocket.io is Free and Open Source

gevent
gevent is a coroutine -based Python networking library that uses greenlet to provide a high-level synchronous API on top of the libev event loop.
8 gevent alternatives
License model
- Free • Open Source
Platforms
- Mac
- Windows
- Linux
- Python
gevent Features
SSL
Show all NaN gevent features ▾
gevent VS Socket.io
Is gevent a good alternative to Socket.io?

greenlet
Lightweight in-process concurrent programming.
6 greenlet alternatives
License model
- Free • Open Source
Platforms
- Mac
- Windows
- Linux
- Python
- C++
greenlet VS Socket.io
Is greenlet a good alternative to Socket.io?

eventlet
Eventlet is a concurrent networking library for Python that allows you to change how you run your code, not how you write it.
6 eventlet alternatives
License model
- Free • Open Source
Platforms
- Mac
- Windows
- Linux
- Python
eventlet VS Socket.io
Is eventlet a good alternative to Socket.io?

Lightstreamer
Lightstreamer is a server for delivering real-time messages to browser-based and mobile applications, using WebSockets and HTTP. Features include dynamic throttling, bandwidth and frequency control, delta delivery, and total control over security and the quality of service.
5 Lightstreamer alternatives
License model
- Paid • Proprietary
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Blackberry
- Android Tablet
- Windows Phone
- iPad
- Self-Hosted
- Blackberry 10
Lightstreamer Features
Sockets
Java based
Show all NaN Lightstreamer features ▾
Lightstreamer VS Socket.io
Is Lightstreamer a good alternative to Socket.io?
- Lightstreamer is the most popular Self-Hosted alternative to Socket.io.
- Lightstreamer is Paid and ProprietarySocket.io is Free and Open Source