InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more â
Top 23 JavaScript Real-time Projects
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Node.js ws Library Documentation: ws GitHub
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SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
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Wekan
The Open Source kanban (built with Meteor). Keep variable/table/field names camelCase. For translations, only add Pull Request changes to wekan/i18n/en.i18n.json , other translations are done at https://app.transifex.com/wekan/wekan only.
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Project mention: Highly scalable pub/sub and RPC SDK optimized for async/await | news.ycombinator.com | 2025-04-14
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engine.io
The engine used in the Socket.IO JavaScript server, which manages the low-level transports such as HTTP long-polling and WebSocket.
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InfluxDB
InfluxDB â Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Primus
:zap: Primus, the creator god of the transformers & an abstraction layer for real-time to prevent module lock-in.
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Project mention: FastRTC: Real-Time Communication Made Easy for Python Developers | dev.to | 2025-04-29
View the Project on GitHub
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kuzzle
Open-source Back-end, self-hostable & ready to use - Real-time, storage, advanced search - Web, Apps, Mobile, IoT -
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shader-park-core
A JavaScript library for creating real-time 2D and 3D shaders. JS -> Shader. https://shaderpark.com/ https://twitter.com/shaderpark
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jeelizGlassesVTOWidget
JavaScript/WebGL glasses virtual try-on widget. Real-time camera experience, robust to all lighting conditions, high-end 3D PBR rendering, easy integration, fully customizable.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
JavaScript Real-time discussion
JavaScript Real-time related posts
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FastRTC: Real-Time Communication Made Easy for Python Developers
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Highly scalable pub/sub and RPC SDK optimized for async/await
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You might not need WebSockets
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Exponential Rate Limiting
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Ask HN: Why do message queue-based architectures seem less popular now?
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The Sound of Software
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Building a GitHub activity feed with Node.js and Socket.io
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A note from our sponsor - InfluxDB
www.influxdata.com | 24 May 2025
Index
What are some of the best open-source Real-time projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | ws | 22,207 |
| 2 | Wekan | 20,302 |
| 3 | sockjs-client | 8,484 |
| 4 | CryptPad | 6,498 |
| 5 | SocketCluster | 6,177 |
| 6 | deployd | 4,974 |
| 7 | engine.io | 4,589 |
| 8 | Primus | 4,475 |
| 9 | fastrtc | 3,920 |
| 10 | mapus | 3,432 |
| 11 | postprocessing | 2,525 |
| 12 | xmpp.js | 2,233 |
| 13 | SockJS | 2,102 |
| 14 | Aedes | 1,854 |
| 15 | comfyui-mixlab-nodes | 1,598 |
| 16 | kuzzle | 1,589 |
| 17 | autobahn-js | 1,440 |
| 18 | shader-park-core | 787 |
| 19 | rpc-websockets | 609 |
| 20 | Kalm | 442 |
| 21 | jeelizGlassesVTOWidget | 297 |
| 22 | realtime-newsapi | 262 |
| 23 | Straw | 258 |
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