1.socketio / socket.io
Bidirectional and low-latency communication for every platform
+496 stars
from 62,739 · score 6.21
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
21 repositories by Attention Score · May 8, 2026 – Nov 3, 2026 (UTC)
2.websockets / ws
Simple to use, blazing fast and thoroughly tested WebSocket client and server for Node.js
- websocket
- javascript
- websocket-client
- websocket-server
- rfc-6455
- real-time
- +3 more
+185 stars
from 22,638 · score 5.23
3.anycable / anycable
Realtime server for reliable two-way communication to power-up any backend
- websockets
- realtime
- sse
+81 stars
from 2,309 · score 4.41
4.walkor / workerman
An asynchronous event driven PHP socket framework. Supports HTTP, Websocket, SSL and other custom protocols.
- websocket
- timer
- socket
- event-driven
- asynchronous
- ws
- +5 more
+61 stars
from 11,487 · score 4.13
5.chronoxor / NetCoreServer
Ultra fast and low latency asynchronous socket server & client C# .NET Core library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution
- low-latency
- performance
- async
- tcp-server
- tcp-client
- udp-server
- +11 more
+44 stars
from 3,087 · score 3.81
6.lesismal / nbio
Pure Go 1000k+ connections solution, support tls/http1.x/websocket and basically compatible with net/http, with high-performance and low memory cost, non-blocking, event-driven, easy-to-use.
+42 stars
from 2,712 · score 3.76
7.TooTallNate / Java-WebSocket
A barebones WebSocket client and server implementation written in 100% Java.
+41 stars
from 10,758 · score 3.74
8.boazsegev / facil.io
Your high performance web application C framework
- websocket-server
- http-protocol
- http-parser
- c
- concurrency
- framework
- +7 more
+41 stars
from 2,372 · score 3.74
9.chronoxor / CppServer
Ultra fast and low latency asynchronous socket server & client C++ library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution
- low-latency
- performance
- async
- tcp-server
- tcp-client
- udp-server
- +11 more
+37 stars
from 1,617 · score 3.64
10.sta / websocket-sharp
A C# implementation of the WebSocket protocol client and server
+36 stars
from 6,044 · score 3.61
+30 stars
from 6,403 · score 3.43
12.boazsegev / iodine
iodine - HTTP / WebSockets Server for Ruby with Pub/Sub support
- ruby
- server
- pubsub
- sse
- clustering
- high-performance
- +5 more
+29 stars
from 961 · score 3.40
13.miguelgrinberg / Flask-SocketIO
Socket.IO integration for Flask applications.
+21 stars
from 5,483 · score 3.09
+20 stars
from 2,424 · score 3.04
15.SocketCluster / socketcluster
Highly scalable realtime pub/sub and RPC framework
- realtime
- nodejs
- websocket
- pubsub
- scalable
- kubernetes
- +5 more
+16 stars
from 6,184 · score 2.83
16.enisdenjo / graphql-ws
Coherent, zero-dependency, lazy, simple, GraphQL over WebSocket Protocol compliant server and client.
+16 stars
from 1,855 · score 2.83
17.clj-commons / aleph
Asynchronous streaming communication for Clojure - web server, web client, and raw TCP/UDP
- http
- tcp
- clojure
- websockets
- http-client
- web-server
- +1 more
+15 stars
from 2,580 · score 2.77
18.primus / primus
:zap: Primus, the creator god of the transformers & an abstraction layer for real-time to prevent module lock-in.
- javascript
- real-time
- websocket
- framework
- sockjs
- browserchannel
- +4 more
+8 stars
from 4,457 · score 2.20
19.edgurgel / poxa
Pusher server implementation compatible with Pusher client libraries.
+4 stars
from 1,082 · score 1.61
+2 stars
from 610 · score 1.10
21.radu-matei / websocket-manager
Real-Time library for ASP .NET Core
- websockets
- middleware
- dotnet-core
- real-time
+1 stars
from 453 · score 0.69