18.5
Colyseus is an open-source Node.js framework for building real-time multiplayer games, with matchmaking and state synchronization.
Free planOpen sourceAndroidiOSWeb
Alternatives to ApexStream
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 - 26
Sockudo
WebLinux4.7 - 27
Tungstenite
LinuxmacOSWindows4.7 - 28
websocket-client
LinuxmacOSWindows4.7 - 29
websockets
LinuxmacOSWindows4.7 - 30
Action Cable
Web4.6