Socket.io is the most popular Web-based, Windows, Mac & Linux alternative to Primus.
Socket.io is the most popular Open Source & free alternative to Primus.
- Socket.io is Free and Open Source
Primus Alternatives
Primus is described as 'The creator god of transformers but now also known as universal wrapper for real-time frameworks. There are a lot of real-time frameworks available for Node.js and they all have different opinions on how real-time should be done' and is an app in the development category. There are six alternatives to Primus for a variety of platforms, including Mac, Windows, Linux, JavaScript and Node.JS apps. The best Primus alternative is Socket.io, which is both free and Open Source. Other great apps like Primus are SockJS, Faye, Socketioxide and UbSub.
Alternatives list
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.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- JavaScript
- Node.JS
Faye is a set of tools for simple publish-subscribe messaging between web clients. It ships with easy-to-use message routing servers for Node.js and Rack applications, and clients that can be used on the server and in the browser.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- JavaScript
- Node.JS
A socket.io server implementation in Rust that integrates with the Tower ecosystem and the Tokio stack. It integrates with any server framework based on tower like Axum, Warp, Salvo or Hyper. Add any other tower based middleware on top of socketioxide such as CORS...
Cost / License
- Free
- Open Source (MIT)
Platforms
- Self-Hosted
Socketioxide is the most popular Self-Hosted alternative to Primus.
- Socketioxide is Free and Open Source
Route events from and to popular destinations like github, bitbucket, IFTTT, Zapier, IoT devices (Arduino, particle, etc), and many more! Easily test webhooks, and manage your event-based systems without learning AWS.
Cost / License
- Free
- Proprietary
Platforms
- Online
- Arduino IDE
- Linux Mint
- Software as a Service (SaaS)
UbSub is the most popular SaaS alternative to Primus.
- UbSub is Free and Proprietary
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- JavaScript
- Node.JS











