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

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.

RangeCompresses is a tiny library that allows compressing arrays of objects into arrays of ranges. For example, it can turn the following: [1, 2, 3, 4, 6, 8, 9, 10] into [1..4, 6..6, 8..10].

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

Forwardable Extended provides more Forwardable methods for your source as Forwardable::Extended.

This package provides a gem to convert LaTeX input to Unicode. Its original use was as an input filter for BibTeX-Ruby, but it can be used independently to decode LaTeX. Many of the patterns used by this Ruby gem are based on François Charette's equivalent Perl module LaTeX::Decode.

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.

Sorbet's runtime type checking component. Sorbet is a powerful type checker for Ruby.

MIME detection by extension or content, using the freedesktop.org.xml shared-mime-info database.

This package provides a RubyVersion class which offers a convenient Domain Specific Language (DSL) for checking for the right Ruby version.

IO.console adds console capabilities to Ruby IO instances.

Open4 is a Ruby library to run child processes and manage their input and output.

The Libxml-Ruby project provides Ruby language bindings for the GNOME Libxml2 XML toolkit.

This gem provides a simple interface for classifying Ruby strings using the Unicode Script and Script_Extensions properties.

This package provides Ruby FFI bindings to the Networking and Cryptography (NaCl) library, also known as libsodium. This provides a high-level toolkit for building cryptographic systems and protocols.

HTTP::Cookie is a Ruby library to handle HTTP Cookies based on RFC 6265. It has been designed with security, standards compliance and compatibility in mind, to behave just the same as today's major web browsers. It has built-in support for the legacy cookies.txt and cookies.sqlite formats of Mozilla Firefox.

Pseudo `IO` class from and to `String`.

Base32 is a library which provides base32 decoding and encoding.

This package implements a functionality of pretty-print JSON with more formatting options than the built-in JSON.pretty_generate, such as keeping arrays and objects on a single line when possible, aligning or sorting object keys, customizing numeric representation, and more.

TTFunk is a TrueType font parser written in pure Ruby. It is used as part of the Prawn PDF generator.

fog is a Ruby cloud services library. This package provides shared classes and tests for fog providers and services.

This RSpec plugin allows you to use block_is_expected similarly to how you would use is_expected if a block was wrapping the subject.

Markaby allows writing HTML packages in pure Ruby. This is similar to the functionality provided by ERB, but without the mixture of HTML and additional ERB syntax.

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