Top 12 Open-Source Alternatives to SignalR

SignalR

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

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Product categories

API Tools Analytics App Development Application Server Backend As A Service Cloud Infrastructure Developer Tools Mobile Push Messaging Realtime Backend / API Web And Application Servers Web Frameworks Web Push Notifications

Summary

The top open-source alternatives to SignalR are Socket.io, Pusher, and OneSignal. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Socket.io Landing Page
1

Socket.io

Realtime application framework (Node.JS server)
Pricing:
- Open Source
#Mobile Push Messaging #Analytics #Developer Tools 734 social mentions
Pusher Landing Page
2

Pusher

Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
Pricing:
- Open Source
#Mobile Push Messaging #Web Push Notifications #Developer Tools 55 social mentions
OneSignal Landing Page
3

OneSignal

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.
Pricing:
- Open Source
- Freemium
- Free Trial
- $9.0 / Monthly (Plus usage-based costs. (Growth Plan). )
#Email Marketing #API Tools #Realtime Backend / API 26 social mentions
NATS Landing Page
4

NATS

NATS.io is an open source messaging system for cloud native applications, IoT messaging, Edge, and microservices architectures.
Pricing:
- Open Source
#Data Integration #Developer Tools #Message Queue 73 social mentions
SocketCluster Landing Page
5

SocketCluster

An open, scalable realtime engine for Node.js
Pricing:
- Open Source
#Mobile Push Messaging #Cloud Infrastructure #Developer Tools 11 social mentions
Supabase Landing Page
6

Supabase

An open source Firebase alternative
Pricing:
- Open Source
#Realtime Backend / API #Backend As A Service #Web Frameworks 500 social mentions
Faye Landing Page
7

Faye

Simple pub/sub messaging for the web
Pricing:
- Open Source
#Mobile Push Messaging #Cloud Infrastructure #Developer Tools 2 social mentions
eventlet Landing Page
8

eventlet

Eventlet is a concurrent networking library for Python that allows you to change how you run your...
Pricing:
- Open Source
#Realtime Backend / API #Developer Tools #Web And Application Servers 3 social mentions
gevent Landing Page
9

gevent

gevent is a coroutine -based Python networking library that uses greenlet to provide a high-level...
Pricing:
- Open Source
#Renting #Developer Tools #Web And Application Servers
Primus Landing Page
10

Primus

Primus, the creator god of the transformers & an abstraction layer for real-time to prevent...
Pricing:
- Open Source
#Mobile Push Messaging #Cloud Infrastructure #Developer Tools
GraphQL Landing Page
11

GraphQL

GraphQL is a data query language and runtime to request and deliver data to mobile and web apps.
Pricing:
- Open Source
#Javascript UI Libraries #Web Frameworks #JavaScript Framework 245 social mentions
Etebase Landing Page
12

Etebase

Etebase makes it easy to build end-to-end encrypted applications by taking care of the encryption and its related challenges.
Pricing:
- Open Source
#CRM #Realtime Backend / API #Mobile Push Messaging