WebSocket
C/C++ libwebsockets POCO C++ Libraries Tufão Boost.Beast
Go golang.org/x/net/websocket
Haskell websockets
Java - Java EE 7 にて Java API for WebSocket (JSR 356) が追加された Apache Tomcat 7 Atmosphere GlassFish 3.1, Grizzly JBoss 7 Jetty 7 jWebsocket Netty 3.3
.NET ASP.NET Core Fleck Internet Information Services (IIS) 8, ASP.NET 4.5 SuperWebSocket
Node.js ws: a Node.js WebSocket library Socket.IO WebSocket-Node
Objective-C SocketRocket
Perl Mojolicious PocketIO
PHP php-websocket
Python WebSocket-for-Python txWS
Ruby websocket-ruby
Scala play framework2
その他 apache-websocket