Maruku is a Markdown interpreter in Ruby. It can export Markdown to HTML, and PDF through LaTeX.

This package provides a Ruby binding to the Ed25519 elliptic curve public-key signature system described in RFC 8032.

Clamp provides an object-model for command-line utilities. It handles parsing of command-line options, and generation of usage help.

Timers offers a collections of one-shot and periodic timers, intended for use with event loops such as async.

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

When mutex_m is required, any object that extends or includes Mutex_m will be treated like a Mutex.

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

This package provides a function to deep freeze Ruby objects.

This package provides a generic object traverser for Ruby. It takes the object and recursively yields:

• the given object

• instance variables, class variables, constants

• Hash keys and values

• Enumerable members

• Struct members

• Data members

• Range begins and ends

RubyRC4 is a pure Ruby implementation of the RC4 algorithm.

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 collection of text algorithms: Levenshtein, Soundex, Metaphone, Double Metaphone, Porter Stemming.

Deep Merge is a set of utility functions for Hash. It permits you to merge elements inside a hash together recursively.

Slop provides a Ruby domain specific language for gathering options and parsing command line flags.

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

This Ruby gem extends Faraday to perform multipart-post requests.

This package provides a plugin for the RuboCop code style enforcing & linting tool.

Lemon is a unit testing framework that enforces highly formal case-to-class and unit-to-method test construction. This enforcement can help focus concern on individual units of behavior.

Diffy provides a convenient way to generate a diff from two strings or files.

BRASS (Bare-Metal Ruby Assertion System Standard) is a basic foundational assertions framework for other assertion and test frameworks to make use of.

This gem is a library that provides trigonometric and transcendental functions for complex numbers. The functions in this module accept integers, floating-point numbers or complex numbers as arguments.

Erubis is a fast implementation of embedded Ruby (eRuby) with several features such as multi-language support, auto escaping, auto trimming spaces around <% %>, a changeable embedded pattern, and Ruby on Rails support.

Pygmentize provides a simple way to call pygmentize from within a Ruby application.

The SnakyHash Ruby library provides classes for normalizing hash keys and look-ups, and a pseudo-object interface.