Docker + Rails + Mac + Dev = <3

A knife plugin for working with data bags and chef solo

ppl is a command-line address book using vCard & git for storage and synchronisation

For use for the Beaker acceptance testing tool

Allows running Beaker tests using Docker

Streamlined, programmatic access to Amazon's Elastic Map Reduce service, driven by the Sharethrough team's requirements for belting out EMR jobs.

Chef Knife plugin to bootstrap Chef Servers

A library and CLI tool for launching services into AWS.

For use for the Beaker acceptance testing tool

Writing even complex command-line apps should be quick, easy and fun. Escort takes the excellent Trollop option parser and adds a whole bunch of awesome features to produce a library you will always want to turn to when a 'quick script' is in order.

Kensa is a command-line tool to help add-on providers integrating their services with Heroku. It manages manifest files, and provides a TDD-like approach for programmers to test and develop their APIs.

uffizzi-cli

Friendly command-line interface for Cloud Foundry.

Chronicle-ETL allows you to extract personal data from a variety of services, transformer it, and load it.

Upload screenshots, metadata and your app to the App Store using a single command

Library and command line tool for backing up GitHub repositories

Unofficial ruby library for consuming the Grooveshark API.

The Instana gem is a zero configuration tool that will automatically collect key metrics and distributed traces from your Ruby processes. Just install and go.

Jump is a tool that allows you to quickly change directories in the bash and zsh shells using bookmarks. Thanks to Jump, you won't have to type those long paths anymore. Jump was inspired by go-tool by ActiveState (http://code.google.com/p/go-tool/).

A ruby library for reading and writing arbitrary messages in DJB's maildir format