Socket.io
Realtime application framework (Node.JS server).
Some of the top features or benefits of Socket.io are: Real-time Communication, Cross-browser Compatibility, Fallback Support, Event-driven Architecture, Scalability Options, Easy to Use, and Built-in Room and Namespace Support. You can visit the info page to learn more.
- Open Source
Best Socket.io Alternatives & Competitors in 2025
The best Socket.io alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
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Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
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Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
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Monitor all your cloud services with our status page aggregator. IT teams choose IsDown to monitor all their vendors and get alerts whenever an outage occurs. Integration with Datadog, PagerDuty, Slack, Microsoft Teams, and a lot more.
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Start tracking your visitors in 1 minute!
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SignalR is a server-side software system designed for writing scalable Internet applications, notably web servers.
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StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.
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PubNub is a real-time messaging system for web and mobile apps that can handle API for all platforms and push messages to any device anywhere in the world in a fraction of a second without having to worry about proxies, firewalls or mobile drop-offs.
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AFSAnalytics.
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Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
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Giving you the knowledge you need to make better decisions. Kissmetrics is a revolutionary person-based analytics platform for your whole team. Get product, sales, marketing, customer support working together to improve the metrics that matter.
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Track your customers' web and mobile activity, forms, emails, support tickets and more, all in one place with customer analytics. Analyze and take action.
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Clicky Web Analytics is a simple way to monitor, analyze, and react to your blog or web site's traffic in real time.
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Open Web Analytics - Web Analytics – Open Source Web Analytics Framework
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Matomo is an open-source web analytics platform
Socket.io discussion

Socket.io is a stellar library for real-time web applications. It enables real-time, bi-directional communication between web clients and servers. With just a few lines of code, you can set up a robust connection between the client and the server, which remains open, allowing real-time data transmission. Its event-based communication is intuitive, making it a great choice for developers new to real-time systems. Whether you're building a chat application, a live analytics dashboard, or anything in-between, Socket.io is a tool that will accelerate your development process. Moreover, its vibrant community and well-maintained documentation are assets that can't be overlooked.