Fluentd: Unified Logging Layer (project under CNCF)

The Ruby cloud services library.

Ruby on Rails CRM platform

Monitoring for today's infrastructure.

Goliath is a non-blocking Ruby web server framework

Create reports based on your log files. Supports Rails, Apache, MySQL, Delayed::Job, and other formats.

Legacy GitHub Services Integration

New Relic RPM Ruby Agent

Monitoring notification routing + event processing system. For issues with the Flapjack packages, please see https://github.com/flapjack/omnibus-flapjack/

A rich Ruby modeling layer for Riak, Basho's distributed database

A ruby statsd server implementation storing to Redis and disk

Chef orchestration layer -- your system diagram come to life. Provision EC2, OpenStack or Vagrant without changes to cookbooks or configuration

Metrics for ruby - a Ruby implementation of metrics inspired by @coda's JVM metrics for those of us in Ruby land

A workflow plugin to help many devs work with cookbooks and environments at once

Lightweight node/service registry inspired by Apache Zookeeper

Generates Chef knife commands from a simple JSON or YAML file.

a command line tool for generating DNS records from EC2 instances

Framework for test-driven infrastructure development

Systems testing plugin for Nagios with Cucumber + Webrat + Mechanize + Net::SSH

Vagrant for the cloud

Develop & test your OpsCode Chef cookbooks with pleasure with Vagrant & VirtualBox

Capistrano extensions for Chef integration

A tool for keeping track of nodes in your infrastructure

realtime charts of amazon ec2 spot prices.

Opscode Cookbooks for Chef

Ruby wrapper for Runkeeper Health Graph API

LXC driver for Test Kitchen

Output plugin for Datadog

Dogscaler scales up AWS autoscale groups based on the results of a datadog query.

TODO: one-line summary of your gem