This package provides a MiniTest extension to stub constants for the duration of a block in MiniTest.

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.

The test-queue module is a parallel test runner, built using a centralized queue to ensure optimal distribution of tests between workers. It is specifically optimized for Continuous Integration (CI) environments: build statistics from each run are stored locally and used to sort the queue at the beginning of the next run.

Multihashes provides a simple, low-level multihash implementation for Ruby. A multihash is a digest with an embedded hash function code

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.

This package provides a Jekyll plugin to add metadata tags for search engines and social networks to better index and display your site's content.

Promise is a Ruby implementation of the Promises/A+ specification. It provides 100% mutation coverage, tested on MRI 1.9, 2.0, 2.1, 2.2, Rubinius, and JRuby.

UserAgent is a Ruby library that parses and compares HTTP User Agents.

Optimized XML (Ox) is a fast XML parser and object serializer for Ruby written as a native C extension. It was designed to be an alternative to Nokogiri and other Ruby XML parsers for generic XML parsing and as an alternative to Marshal for Object serialization.

This library provides functionality to send Internet mail via SMTP, the Simple Mail Transfer Protocol. The SMTP protocol specification is known as RFC2821.

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.

Nokogiri (鋸) parses and searches XML/HTML, and features both CSS3 selector and XPath 1.0 support.

Given is an RSpec extension that allows the use of Given/When/Then terminology when defining specifications, in a way similar to the Cucumber Gherkin language.

Minitest-bacon extends minitest with bacon-like functionality, making it easier to migrate test suites from bacon to minitest.

This package provides a native extension that can increase performance by about 25% compared to the pure Ruby WebSocket implementation.

Haml is a layer on top of HTML or XML that is designed to express the structure of documents using indentation rather than closing tags. It was originally envisioned as a plugin for Ruby on Rails, but it can function as a stand-alone templating engine.

Like a modern code version of the mythical beast with 100 serpent heads, Typhoeus runs HTTP requests in parallel while cleanly encapsulating handling logic.

Archive::Tar::Minitar is a pure-Ruby library and command-line utility that provides the ability to deal with POSIX tar archive files.

This package provides a Ruby port of EventEmitter from Node.js.

Rack::Test is a small, simple testing API for Rack applications. It can be used on its own or as a reusable starting point for Web frameworks and testing libraries to build on.

SilentStream is an extraction of some parts of ActiveSupport's Kernel Reporting Core Extensions around silencing IO streams.

This Gem provides a common layer for serverspec and itamae.

This package provides a Ruby library to perform different operations with permutations of sequences, such as strings and arrays.

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments. It's built on top of Nokogiri and libxml2.