SignalR Alternatives
Apps similar to SignalR include Socket.io, which is free and open source. Other options are SockJS, Entity Signal, Higgs.IO and Butterfly Server .NET. In total there are six apps like SignalR for Mac, Windows, Linux, the web and self-hosting.
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
Real Time Entity Framework (EF) and ASP.NET core. Make all of your data real time. Receive updates no matter where the object was created or edited. Uses existing ASP.NET core permissions system.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux
- Self-Hosted
- ASP.NET
Sweden
EU


A high performance (Async), message oriented network library built for real time systems. It provides a core extensible framework and libraries built on top of the core. Libraries include WebSocket server, HTTP Server and Client and Boson a custom serialization and RMI library.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Online

Allows creating real-time web apps with minimal effort using a C# server and Vue.js javascript clients.
Cost / License
- Free
- Open Source (MPL-2.0)
Platforms
- Mac
- Windows
- Linux
United States

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













