This gem makes it possible to build filters or pipelines for processing data into or out of streams of bytes while maintaining compatibility with native Ruby IO classes. Ruby IO classes may function as both sources and sinks, or entirely new IO implementations may be created.

Mailgun's Official Ruby SDK for interacting with the Mailgun API.

A pure Ruby library for event-driven IO

A Ruby implementation of the Coveralls API.

Automatically eager loads Rails associations as associations are traversed

A Ruby program to facilitate accessing Aliyun Object Storage Service

A collection of Rack middleware to support JSON Schema.

Manage badges, points and rankings (reputation) in your Rails app.

Alchemy is a powerful, userfriendly and flexible Rails CMS.

Re:VIEW is a digital publishing system for books and ebooks. It supports InDesign, EPUB and LaTeX.

Codebase as structure of locatable classes and methods based on the Ruby AST

SitePrism gives you a simple, clean and semantic DSL for describing your site. SitePrism implements the Page Object Model pattern on top of Capybara.

The complete solution for Ruby command-line executables. Commander bridges the gap between other terminal related libraries you know and love (OptionParser, HighLine), while providing many new features, and an elegant API.

A deployment tool for Docker. Takes containers from a Docker registry and runs them on a fleet of hosts with the correct environment variables, host mappings, and port mappings. Supports rolling deployments out of the box, and makes it easy to ship applications to Docker servers. We're using it to run our production infrastructure.

Hosted code coverage Ruby reporter.

Simple and opinionated helper for creating Rubygem projects on GitHub

Official LaunchDarkly SDK for Ruby

Be lazy. Let Maid clean up after you, based on rules you define. Think of it as "Hazel for hackers".

Auto-install phantomjs on demand for current platform. Comes with poltergeist integration.

Ridgepole is a tool to manage DB schema. It defines DB schema using Rails DSL, and updates DB schema according to DSL.