Sorcerer generates Ruby code from a Ripper-like abstract syntax tree (i.e. S-Expressions). Sorcerer is targeted mainly at small snippets of Ruby code, expressible in a single line. Longer examples may be re-sourced, but they will be rendered in a single-line format.

Rspec-mocks provides RSpec's "test double" framework, with support for stubbing and mocking.

Hoe is a rake/rubygems helper for project Rakefiles. It helps manage, maintain, and release projects and includes a dynamic plug-in system allowing for easy extensibility. Hoe ships with plug-ins for all the usual project tasks including rdoc generation, testing, packaging, deployment, and announcement.

Cucumber Expressions offer similar functionality to Regular Expressions, with a syntax that is easier to read and write. Cucumber Expressions are extensible with parameter types.

Rspec-core provides the RSpec test runner and example groups.

Rspec-expectations provides a simple API to express expected outcomes of a code example.

Mini-portile is a port/recipe system for Ruby developers. It provides a standard way to compile against specific versions of libraries to reproduce user environments.

This module provides a String#unindent Ruby method to unindent strings, which can be useful to unindent multiline strings embedded in already-indented code.

This package provides a JSON formatter for SimpleCov, the Ruby code coverage tool.

Hoe is a rake/rubygems helper for project Rakefiles. It helps manage, maintain, and release projects and includes a dynamic plug-in system allowing for easy extensibility. Hoe ships with plug-ins for all the usual project tasks including rdoc generation, testing, packaging, deployment, and announcement.

Rake is a Make-like program where tasks and dependencies are specified in standard Ruby syntax.

rubocop is a Ruby code style checking tool. It aims to enforce the community-driven Ruby Style Guide.

Minitest-hooks adds around, before_all, after_all, around_all hooks for Minitest. This allows, for instance, running each suite of specs inside a database transaction, running each spec inside its own savepoint inside that transaction. This can significantly speed up testing for specs that share expensive database setup code.

Cucumber is a tool for running automated tests written in plain language. Because they're written in plain language, they can be read by anyone on your team. Because they can be read by anyone, you can use them to help improve communication, collaboration and trust on your team.

Rake-compiler provides a framework for building and packaging native C and Java extensions in Ruby.

Cucumber Messages for Ruby is a library which allows serialization and deserialization of the protocol buffer messages used in Cucumber.

This package provides the default HTML formatter for the SimpleCov code coverage tool for Ruby version 1.9 and above.

Diff::LCS computes the difference between two Enumerable sequences using the McIlroy-Hunt longest common subsequence (LCS) algorithm. It includes utilities to create a simple HTML diff output format and a standard diff-like tool.

RSpec is a behavior-driven development (BDD) framework for Ruby. This meta-package includes the RSpec test runner, along with the expectations and mocks frameworks.

The mime-types library provides a library and registry for information about Multipurpose Internet Mail Extensions (MIME) content type definitions. It can be used to determine defined filename extensions for MIME types, or to use filename extensions to look up the likely MIME type definitions.

Ruby-Locale is the pure ruby library which provides basic APIs for localization.

Ruby i18n is an internationalization and localization solution for Ruby programs. It features translation and localization, interpolation of values to translations, pluralization, customizable transliteration to ASCII, flexible defaults, bulk lookup, lambdas as translation data, custom key/scope separator, custom exception handlers, and an extensible architecture with a swappable backend.

This package implements a variant of Set whose elements are sorted in ascending order

YARD is a documentation generation tool for the Ruby programming language. It enables the user to generate consistent, usable documentation that can be exported to a number of formats very easily, and also supports extending for custom Ruby constructs such as custom class level definitions.