This library implements HTTP's digest authentication scheme based on RFC 2617. This enables the use of the digest authentication scheme instead of the more insecure basic authentication scheme.

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.

Bio-logger is a wrapper around Log4r adding extra logging features such as filtering and fine grained logging.

Unicode::DisplayWidth is a Ruby library which can determine the display width of strings in Ruby.

Minitest-sprint is a test runner for minitest that makes it easier to re-run individual failing tests.

Ruby Rsync is a Ruby library that can synchronize files between remote hosts by wrapping the rsync binary.

The ruby_memcheck gem provides a sane way to use Valgrind's memcheck on your native extension gem, that filters out all the false positives caused by Ruby not freeing all of the memory it allocates during shutdown.

BibTeX-Ruby is the Rubyist's Swiss Army knife for all things BibTeX. It includes a parser for all common BibTeX objects and a sophisticated name parser that tokenizes correctly formatted names. BibTeX-Ruby recognizes BibTeX string replacements, joins values containing multiple strings or variables, supports cross-references, and decodes common LaTeX formatting instructions to unicode. If you are in a hurry, it also allows for easy export/conversion to formats such as YAML, JSON, CSL, and XML (BibTeXML).

This package provides a job queue that uses PostgreSQL for storing jobs and locking between worker processes.

This library extends Warden to support OAuth 2.0 authorized API requests.

RubyRC4 is a pure Ruby implementation of the RC4 algorithm.

This package provides a generalized Rack framework for multiple-provider authentication.

Sucker Punch is a single-process Ruby asynchronous processing library. It is perfect for asynchronous processes like emailing, data crunching or social platform manipulation; and generally recommended for jobs that are fast and non-mission critical like logs, emails, etc.

VersionGem aims to provide introspection of a Version module based on a Version::VERSION constant string wile not interfering with gemspec parsing where the VERSION string is traditionally used.

Psych is a YAML parser and emitter. Psych leverages libyaml for its YAML parsing and emitting capabilities. In addition to wrapping libyaml, Psych also knows how to serialize and de-serialize most Ruby objects to and from the YAML format.

This package containse the XML parsing tools shared between a number of providers in the fog gem. fog is a Ruby cloud services library.

This package provides a collection of RuboCop cops to check for downstream compatibility issues in the Ruby code.

This is a parser for kramdown that converts Markdown documents in the GFM dialect to HTML.

MessagePack is a binary-based efficient object serialization library. It enables to exchange structured objects between many languages like JSON. Unlike JSON, it is very fast and small.

This library provides Ruby with an interface for validating JSON objects against a JSON schema conforming to JSON Schema Draft 4. Legacy support for JSON Schema Draft 3, JSON Schema Draft 2, and JSON Schema Draft 1 is also included.

This library provides Ruby qFFI bindings to the libsass library. This enables rendering SASS from Ruby code.

The Pagination Generator forms the core of the pagination logic in Jekyll. It calculates and generates the pagination pages.

Yell is a comprehensive logging replacement for Ruby. It defines multiple adapters, various log level combinations and message formatting options.

Crass is a pure Ruby CSS parser based on the CSS Syntax Level 3 spec.