Jekyll is a simple, blog aware, static site generator.

Guard::LiveReload automatically reloads your browser when 'view' files are modified.

Deployinator as a Gem

A websocket service compatible with Pusher libraries

LiveReload is a Safari/Chrome extension + a command-line tool that: 1. Applies CSS and JavaScript file changes without reloading a page. 2. Automatically reloads a page when any other file changes (html, image, server-side script, etc).

A fake Pusher server for development and testing.

LiveReload support for Middleman

Makes it easy to upgrade any request to a websocket connection in Sinatra

ChromeRemote is a client implementation of the Chrome DevTools Protocol in Ruby

Rack-based WebSocket server

Automatically reloads when changes are detected.

playful provides the tools you need to build an app that runs in a UPnP environment.

Realtime Rails log in your browser. For Rails 3.1+

upnp provides the tools you need to build an app that runs in a UPnP environment. This is a pre-release gem and is subject to substantial change.

Evented framework for ZeroMQ and EventMachine Apps.

A WebRTC signaling server implemented with WebSockets, EventMachine and Redis Pub-Sub

Tie into the `react-rails` gem to notify the client of changed files & reload assets on the client when they are changed.

Mad Chatter is a fun, easy to customize chat server, utilizing HTML 5 Web Sockets

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

Stdin to your browser by WebSocket