Everything you could want for making Phillips Hue lightbulbs obey your every command.

Async MySQL client API for Ruby/EventMachine

Provides the convenience of global variables, without the safety concerns.

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

Connect to Pry remotely using EventMachine with tab-completion, paging, user auth and SSL

https://github.com/0dayinc/pwn/README.md

The Sensu extension library

The Sensu logger library

The Sensu Redis client library

The Sensu spawn process library

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

A network daemon for aggregating statistics (counters and timers), rolling them up, then sending them to graphite or mongo.

Async MySQL client API for Ruby/EventMachine

A fast clustering proxy for web applications.

Async MySQL client API for Ruby/EventMachine

BrB is a simple, fully transparent and extremely fast interface for doing simple distributed ruby and message passing

Stdin to your browser by WebSocket

Ponder (Stibbons) is a Domain Specific Language for writing IRC Bots using the EventMachine library.

IPVS backend supervisor

Cockatoo is a simple chat server coded with EventMachine and using the Long Polling technique