Overview

Radar

Stacks3

Followers17

Votes0

GitHub Stars220

Forks43

SignalR

Stacks656

Followers1.2K

Votes146

GitHub Stars9.3K

Forks2.3K

Radar vs SignalR: What are the differences?

Introduction:

Radar and SignalR are both technologies used for real-time communication and updates in web applications, but they have distinct differences in their features and functionalities.

Technology Stack: Radar is built on JavaScript and is suitable for web and mobile applications, whereas SignalR is a library in ASP.NET that enables real-time web functionality to be added to applications.
Protocol Support: Radar uses WebSockets as its primary communication protocol, providing bi-directional communication channels over a single, long-lived connection. On the other hand, SignalR supports multiple transport protocols such as WebSockets, Server-Sent Events, and Long Polling, ensuring compatibility with various browsers.
Scalability: Radar is optimized for handling a large number of concurrent connections, making it a better choice for applications requiring high scalability. SignalR, while scalable, may require additional configuration and setup to handle a similar level of load.
Programming Language: Radar requires knowledge of JavaScript and its frameworks for development, making it ideal for front-end developers. In contrast, SignalR is integrated with ASP.NET, requiring developers to be familiar with C# and the .NET framework for implementation.
In-built Features: Radar offers features such as geofencing, location-based targeting, and user segmentation, making it suitable for location-based applications. SignalR, on the other hand, focuses on real-time messaging and collaboration features, catering more to chat applications and collaborative platforms.
Community Support: SignalR has a larger and more established community due to being a part of the Microsoft ecosystem, making it easier to find resources, documentation, and support compared to Radar, which is relatively newer and has a smaller community backing.

In Summary, Radar and SignalR differ in technology stack, protocol support, scalability, programming language, in-built features, and community support, making them suitable for different types of real-time communication applications in web development.

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Detailed Comparison

Radar	SignalR
Radar is built on top of engine.io, the next-generation backend for socket.io. It uses Redis for backend storage, though the assumption is that this is only for storing currently active data.	SignalR allows bi-directional communication between server and client. Servers can now push content to connected clients instantly as it becomes available. SignalR supports Web Sockets, and falls back to other compatible techniques for older browsers. SignalR includes APIs for connection management (for instance, connect and disconnect events), grouping connections, and authorization.
More than just pub/sub: a resource-based API for presence, messaging and push notifications via a Javascript client library;Written in Javascript/Node.js, and uses engine.io (the new, low-level complement to socket.io);Backend to multiple front-facing servers;REST API for working with web apps that don't use Node (presently, rework in progress)	-
Statistics
GitHub Stars 220	GitHub Stars 9.3K
GitHub Forks 43	GitHub Forks 2.3K
Stacks 3	Stacks 656
Followers 17	Followers 1.2K
Votes 0	Votes 146
Pros & Cons
No community feedback yet	Pros 32 Supports .NET server 25 Real-time 18 Free 16 Fallback to SSE, forever frame, long polling 15 WebSockets Cons 2 Requires jQuery 2 Expertise hard to get 1 Big differences between ASP.NET and Core versions 1 Weak iOS and Android support
Integrations
No integrations available	.NET

What are some alternatives to Radar, SignalR?

Firebase

Firebase is a cloud service designed to power real-time, collaborative applications. Simply add the Firebase library to your application to gain access to a shared data structure; any changes you make to that data are automatically synchronized with the Firebase cloud and with other clients within milliseconds.

Socket.IO

It enables real-time bidirectional event-based communication. It works on every platform, browser or device, focusing equally on reliability and speed.

PubNub

PubNub makes it easy for you to add real-time capabilities to your apps, without worrying about the infrastructure. Build apps that allow your users to engage in real-time across mobile, browser, desktop and server.

Pusher

Pusher is the category leader in delightful APIs for app developers building communication and collaboration features.

Ably

Ably offers WebSockets, stream resume, history, presence, and managed third-party integrations to make it simple to build, extend, and deliver digital realtime experiences at scale.

Syncano

Syncano is a backend platform to build powerful real-time apps more efficiently. Integrate with any API, minimize boilerplate code and control your data - all from one place.

NATS

Unlike traditional enterprise messaging systems, NATS has an always-on dial tone that does whatever it takes to remain available. This forms a great base for building modern, reliable, and scalable cloud and distributed systems.

SocketCluster

SocketCluster is a fast, highly scalable HTTP + realtime server engine which lets you build multi-process realtime servers that make use of all CPU cores on a machine/instance. It removes the limitations of having to run your Node.js server as a single thread and makes your backend resilient by automatically recovering from worker crashes and aggregating errors into a central log.

deepstream.io

Scalable Server for Realtime Web Apps with JSON structures that can be read, manipulated and listened to, messages that can be sent to one or more subscribers, and request response workflows, between two clients or servers.

8base

A cloud service designed to power enterprise-grade web and mobile applications that require support for large numbers of users, complex data and transactional requirements, comprehensive role-based security and a modern look-and-feel.