This Ruby library uses ANSI escape sequences to control the attributes of terminal output.

Mocha is a mocking and stubbing library with JMock/SchMock syntax, which allows mocking and stubbing of methods on real (non-mock) classes.

This package can speed up Test::Unit, RSpec, Cucumber, and Spinach tests by running them concurrently across multiple CPU cores.

WebMock allows stubbing HTTP requests and setting expectations on HTTP requests. This is useful when testing software.

Sentry provides a gem that provides a client interface for the Sentry error logger.

This package is a wrapper around parallel_tests that runs every test in a fork to avoid pollution and get clean output per test.

Prawn::Icon provides various icon fonts including FontAwesome, PaymentFont and Foundation Icons for use with the Prawn PDF toolkit.

Test::Unit is unit testing framework for Ruby, based on xUnit principles. These were originally designed by Kent Beck, creator of extreme programming software development methodology, for Smalltalk's SUnit. It allows writing tests, checking results and automated testing in Ruby.

The rubyzip module provides ways to read from and create zip files.

Faraday_Middleware is a collection of middleware for the Faraday-based API wrappers.

minitest-rg changes the colour of the output from Minitest.

This Ruby library provides an implementation of the Matrix and Vector classes. The Matrix class represents a mathematical matrix. It provides methods for creating matrices, operating on them arithmetically and algebraically, and determining their mathematical properties (trace, rank, inverse, determinant, eigensystem, etc.). The Vector class represents a mathematical vector, which is useful in its own right, and also constitutes a row or column of a Matrix.

websocket-extensions provides a container for registering extension plugins.

Assertive Expressive (AE) is an assertions library specifically designed for reuse by other test frameworks.

This package adds custom processing for warnings for Ruby, including the ability to ignore specific warning messages, ignore warnings in specific files/directories, include backtraces with warnings, treat warnings as errors, deduplicate warnings, and add custom handling for all warnings in specific files/directories.

This package provides a lightweight mime type lookup toy.

TaskJuggler (tj3) is a project management tool for project planning and tracking using a domain specific language; projects are plain text files written using your favourite text editor. It includes reporting in HTML, CSV or iCalendar format and an email based status tracking system to send and receive time sheets from collaborators.

It covers the complete spectrum of project management tasks from the first idea to the completion of the project. It assists you during project scoping, resource assignment, cost and revenue planning, risk and communication management, status tracking and reporting.

Tilt is a thin interface over a number of different Ruby template engines in an attempt to make their usage as generic as possible.

Nenv provides a convenient wrapper for Ruby's ENV to modify and inspect the environment.

Sass Spec is a test suite for Sass. Test cases are all in the spec directory.

RubyRC4 is a pure Ruby implementation of the RC4 algorithm.

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.

Nori is a simple XML parsing ripped from Crack which in-turn ripped from Merb. It supports pluggable parsers and ships with both REXML and Nokogiri implementations.

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