• https://github.com/walkor/Workerman

• https://github.com/walkor/Workerman

• https://github.com/walkor/workerman-todpole

Event-driven, non-blocking I/O with PHP.

• https://github.com/reactphp/react

• https://github.com/reactphp/partial
• https://github.com/reactphp/cache
• https://github.com/reactphp/event-loop
• https://github.com/reactphp/stream
• https://github.com/reactphp/socket
• https://github.com/reactphp/socket-client
• https://github.com/reactphp/http-client
• https://github.com/reactphp/http
• https://github.com/reactphp/filesystem
• https://github.com/reactphp/promise

• https://github.com/reactphp/chatroulette

Ratchet is a loosely coupled PHP library providing developers with tools to create real time, bi-directional applications between clients and servers over WebSockets. This is not your Grandfather's Internet.

• https://github.com/ratchetphp/Ratchet/

• http://socketo.me/api/namespace-Ratchet.html

• http://socketo.me/demo

Asynchronous framework in PHP. It has a huge number of features. Designed for highload. Each worker is capable of handling thousands of simultaneous connections. Main features and possibilites:

• http://daemon.io/
• https://github.com/kakserpom/phpdaemon

• http://daemon.io/examples.html

A websocket server implemented in php.

• https://github.com/nekudo/php-websocket

• http://jitt.li/

Elephant.io is a rough websocket client

        ___     _,.--.,_         Elephant.io is a rough websocket client
      .-~   ~--"~-.   ._ "-.     written in PHP. Its goal is to ease the
     /      ./_    Y    "-. \    communications between your PHP Application and
    Y       :~     !         Y   a real-time server.
    lq p    |     /         .|
 _   \. .-, l    /          |j   Requires PHP 5.4 and openssl, licensed under
()\___) |/   \_/";          !    the MIT License.
 \._____.-~\  .  ~\.      ./
            Y_ Y_. "vr"~  T      Built-in Engines :
            (  (    |L    j      - Socket.io 1.x
            [nn[nn..][nn..]      - Socket.io 0.x (courtesy of @kbu1564)
          ~~~~~~~~~~~~~~~~~~~

• https://github.com/Wisembly/elephant.io

• http://socketo.me/
• http://reactphp.org/
  • https://github.com/reactphp/socket
  • https://github.com/jolicode/php-ar-drone
• https://code.google.com/p/phpwebsocket/
• https://github.com/varspool/Wrench
  • https://github.com/lemmingzshadow/php-websocket
• http://www.websocket.org/
• https://github.com/RickySu/phpsocket.io
• http://elephant.io/ *
  • https://github.com/wisembly/elephant.io