Top 12 Open-Source Alternatives to SignalR

Product categories

API Tools APIs Analytics App Development Backend As A Service Cloud Computing Cloud Hosting Developer Tools Mobile Push Messaging Realtime Backend / API Web Frameworks Web Push Notifications

Summary

The top open-source alternatives to SignalR are Socket.io, Pusher, and NATS. 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
#Developer Tools #App Development #Mobile Push Messaging 717 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 #Developer Tools #App Development 50 social mentions
NATS Landing Page
3

NATS

NATS.io is an open source messaging system for cloud native applications, IoT messaging, Edge, and microservices architectures.
Pricing:
- Open Source
#Developer Tools #Queueing, Messaging And Background Processing #App Development 63 social mentions
OneSignal Landing Page
4

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). )
#Mobile Push Messaging #Web Push Notifications #Push Notifications 25 social mentions
SocketCluster Landing Page
5

SocketCluster

An open, scalable realtime engine for Node.js
Pricing:
- Open Source
#Developer Tools #App Development #Mobile Push Messaging 8 social mentions
Supabase Landing Page
6

Supabase

An open source Firebase alternative
Pricing:
- Open Source
#Developer Tools #Realtime Backend / API #Backend As A Service 429 social mentions
GraphQL Landing Page
7

GraphQL

GraphQL is a data query language and runtime to request and deliver data to mobile and web apps.
Pricing:
- Open Source
#Developer Tools #Web Frameworks #JavaScript Framework 223 social mentions
Postman Landing Page
8

Postman

The Collaboration Platform for API Development
Pricing:
- Open Source
#APIs #API Tools #Developer Tools 27 social mentions
emitter.io Landing Page
9

emitter.io

Real-time communication service for connecting online devices.
Pricing:
- Open Source
#Developer Tools #Mobile Push Messaging #App Development
Primus Landing Page
10

Primus

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

FastAPI

FastAPI is an Open Source, modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.
Pricing:
- Open Source
- Free
#Developer Tools #API Tools #Python Programming 235 social mentions
Amazon ECS Landing Page
12

Amazon ECS

Amazon EC2 Container Service is a highly scalable, high-performance container management service that supports Docker containers.
Pricing:
- Open Source
#Developer Tools #Containers As A Service #Cloud Computing 46 social mentions