18.5
Colyseus is an open-source Node.js framework for building real-time multiplayer games, with matchmaking and state synchronization.
Free planOpen sourceAndroidiOSWeb
Best WebSocket Tools in 2026
WebSocket tools help you build, connect to, and manage WebSocket services. This list includes hosted services, frameworks, libraries, and open-source projects with different deployment models. Compare free plans, paid starting prices, free concurrent connections, pub/sub messaging, self-hosting, client SDKs, and protocol support. If you use a Xiaomi, Redmi, or POCO phone, check whether the tool has an Android app;…
27.5
BrowserGap is an open-source, clientless remote browser isolation solution for automation, security, privacy, and CBII.
Free planWebAPILinux
37.5
Faye is a free, open-source publish-subscribe messaging system built on the Bayeux protocol.
Free planOpen sourceWebAPILinux
- 4
PubNub Chat
Free planAndroidiOSWebAPI7.5From $98 a month - 5
Scaledrone
Free planAndroidiOSWebAPI7.4From $19 a month - 6
Lightstreamer
Lightstreamer is an event broker for delivering real-time data to web and mobile applications, with support for proxies, firewalls, disconnections, and network congestion.
Free planAndroidiOSWebAPI7.1Free plan - 7
Wren
Wren is a free, open-source, local-first reference manager for research on Apple Silicon Macs running macOS 14 or later.
Free planOpen sourceAPIExtensionmacOS7.1Free plan - 8
Mongoose Web Server
Free planAndroidiOSWebAPI6.9Free plan - 9
SocketCluster
SocketCluster is a server environment for building real-time applications over HTTP and WebSocket.
Free planAndroidiOSWebAPI6.8Free plan - 10
AnyCable
AndroidiOSWebLinux5.3 - 11
PieSocket
AndroidiOSWebLinux5.3 - 12
Primus
AndroidWebLinuxmacOS5.3 - 13
Pusher Channels
AndroidiOSWeb5.3 - 14
Ably Pub/Sub
AndroidiOSWeb5.2 - 15
Centrifuge
AndroidiOSWeb5.2 - 16
Reconnecting WebSocket
AndroidiOSWeb5.2 - 17
Apinator
iOSWebmacOS5.0 - 18
uWebSockets
LinuxmacOSWindows4.8 - 19
@fastify/websocket
LinuxmacOSWindows4.7 - 20
Autobahn|Python
LinuxmacOSWindows4.7 - 21
Channelstream
WebLinux4.7 - 22
fastwebsockets
LinuxmacOSWindows4.7 - 23
Gorilla WebSocket
LinuxmacOSWindows4.7 - 24
libwebsockets
LinuxmacOSWindows4.7 - 25
socketify.py
LinuxmacOSWindows4.7
Choosing well
Check phone and desktop access
Platform support varies across web, Linux, macOS, Windows, Android, and iOS. Check the platform details before choosing a tool for a Xiaomi, Redmi, or POCO device.
A web option can help when there is no Android app, while a native Android listing may suit phone-based work.
Compare free and paid use
A free plan is available from tools in this category, while pricing models also include free and freemium options. Check what the free plan covers before moving to paid use.
Compare the stated paid starting price and look for a free trial when you need time to evaluate a service.
Choose hosted or self-hosted
Deployment model shows whether a service is hosted or designed for your own environment. Check self-hosting availability if keeping the service on infrastructure you control matters.
Open-source code can provide another route for projects that need to inspect or modify the implementation. Review the licence before using it.
Match connections and messaging
Compare free concurrent connections when connection capacity affects your project. Pub/sub messaging support can matter when clients need to exchange channel-based updates.
Client SDKs and protocol support indicate how a tool can connect with your application. Check these details against your planned clients and backend.
Questions people ask
Can I use a WebSocket tool for free?
Yes. Tools in this category offer free plans or free pricing models. Freemium services may charge for expanded use.
Are open-source WebSocket tools available?
Yes. Open-source projects are listed alongside hosted and freemium services. Check the project licence before modifying or deploying code.
What does self-hosting mean here?
Self-hosting means running the WebSocket tool in infrastructure you control instead of relying on a hosted deployment. Check the deployment details for support.
Why compare pub/sub messaging?
Pub/sub messaging lets clients exchange messages through channels or topics. Compare support when your application needs this communication pattern.