Maxitest is a wrapper around Minitest with extra functionality such as timeouts, an mtest executable that can run tests by line number, support for interrupted tests, better backtraces, and more.

With Serverspec, you can write RSpec tests for checking your servers are configured correctly.

Serverspec tests your servers’ actual state by executing command locally, via SSH, via WinRM, via Docker API and so on. So you don’t need to install any agent software on your servers and can use any configuration management tools, Puppet, Ansible, CFEngine, Itamae and so on.

But the true aim of Serverspec is to help refactoring infrastructure code.

This package provides a simple block-driven assertion library for both testing and for production code that attempts to make test definitions more readable.

Redcarpet is an extensible Ruby library for Markdown processing and conversion to (X)HTML.

Cucumber is a tool for running automated tests written in plain language. It's designed to support a Behaviour Driven Development (BDD) software development workflow.

The FileUtils Ruby library includes Several file utility methods for copying, moving, removing, etc.

Bandwidth IRIS is a Ruby SDK for Bandwidth Phone Number Dashboard. It is a Ruby Client library for IRIS / BBS API.

This package provides a Ruby-based Parsing Expression Grammar (PEG) parser generator Domain Specific Language (DSL).

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 library to help create value objects without the pain of Ruby's Struct (or its setters).

Antwrap is a Ruby module that wraps the Apache Ant build tool. Antwrap can be used to invoke Ant tasks from a Ruby or a JRuby script.

This package provides a SimpleCov formatter to generate a lcov-style coverage report.

Metaclass is a Ruby library adding a metaclass method to all Ruby objects.

m stands for metal, a better test/unit and minitest test runner that can run tests by line number.

This small library lets you see which property values are supported by the regular expression engine of the Ruby version you are running and can directly read out their code point ranges. In other words, it determines all supported values for \pvalue expressions and what they match.

Mail is an internet library for Ruby that is designed to handle email generation, parsing and sending. The purpose of this library is to provide a single point of access to handle all email functions, including sending and receiving emails. All network type actions are done through proxy methods to Net::SMTP, Net::POP3 etc.

Mail has been designed with a very simple object oriented system that really opens up the email messages you are parsing, if you know what you are doing, you can fiddle with every last bit of your email directly.

Contest allows writing declarative Test::Unit tests using nested contexts without performance penalties.

Skinny is a simple, upgradable WebSockets for Ruby, using the Thin library.

This package provides a collection of RuboCop cops to check for performance optimizations in Ruby code.

stackprof is a fast sampling profiler for Ruby code, with cpu, wallclock and object allocation samplers.

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

Faker is a port of Data::Faker from Perl. It is used to easily generate fake data: names, addresses, phone numbers, etc.

Solargraph provides a comprehensive suite of tools for Ruby programming: intellisense, diagnostics, inline documentation, and type checking.

This package adds step-by-step debugging and stack navigation capabilities to pry, using byebug.