SerialPort Server makes your Device (Arduino, mbed...) WebServer.

Stdin to your browser by WebSocket

Fluentd websocket output plugin which can output JSON string or MessagePack binary to the clients.

A Jekyll extension that adds in Live Reload

A ruby web shell that has autocompletion and readline behavior. It uses websockets, repl.js, readline.js and ripl for the shell engine.

a simple HTML GUI for Ruby

Brief is a library for developing applications whose primary interface is the text editor

A lightweight proxy, for using websockets with unmodified TCP servers.

fingerpoken - turns your ipad/itouch/iphone into a remote touchpad, keyboard, etc

Async framework for writing API servers

Asciidoctor Hyla - Command Line tool to create new project, watch modifications, generate content, publish or consult it live !

Bringing IRC into WebSocket

Simple job queue system based on mongodb

Markdown memo server

Mrpin sdk for backend development.

A Nagios dashboard with OpsCode Chef integration.

A custom Nagios dashboard for Sonian, using nagios-dashboard.

A distributed object based server-centric web framework.

REST service interface definition, mixing, and evolution. Supports mixed http and xmpp servers.

WebSocket component for Sinatra RocketIO