13.3k
PeerJS
A simple library for peer-to-peer communication using WebRTC, enabling easier connections and interactions directly between web browsers.
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2 Open Source Alternatives to Socket.io
There are 2 open-source alternatives to Socket.io in this directory. The most popular is PeerJS with 13.3k GitHub stars, followed by Partykit(5.5k stars). All are open source, free to use, and many can be self-hosted.
Quick comparison
| # | Tool | Stars | Language | License |
|---|---|---|---|---|
| 1 | PeerJS A simple library for peer-to-peer communication using WebRTC, enabling easier connections and interactions directly between web browsers. | 13.3k | TypeScript | MIT License |
| 2 | Partykit Partykit simplifies developing multiplayer applications, offering tools and APIs for seamless real-time interaction. | 5.5k | TypeScript | MIT License |
All open-source alternatives to Socket.io
Frequently asked questions
What are the best open-source alternatives to Socket.io?
The top three are PeerJS(13.3k stars), Partykit(5.5k stars). All are open source and free to use.
Are these alternatives to Socket.io free?
Yes. Every tool listed here is open source and free to use in your own projects. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.
Can I self-host an alternative to Socket.io?
Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.
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