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

Sinatra is a DSL for quickly creating web applications in Ruby with minimal effort.

minitest-rg changes the colour of the output from Minitest.

This gem provides a plugin for the Ruby REPL to enable opening the current line in an external editor.

The gem public_suffix is a domain name parser, written in Ruby, and based on the Public Suffix List. A public suffix is one under which Internet users can (or historically could) directly register names. Some examples of public suffixes are .com, .co.uk and pvt.k12.ma.us. The Public Suffix List is a list of all known public suffixes.

This package provides a parser for Ruby source code, written in C.

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

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

Puma is a simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications. Puma is intended for use in both development and production environments. In order to get the best throughput, it is highly recommended that you use a Ruby implementation with real threads like Rubinius or JRuby.

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.

This package provides a command line interface for running for Rack applications.

This package is probably useless outside of internal HashiCorp use. It is open source for disclosure and because HashiCorp's open source projects must be able to link to it.

This package provides a Ruby extension for GNU dbm.

This gem extends ruby-rdf with several common RDF vocabularies.

This package provides Ruby language binding for libvirt's native C API.

ValueSemantics generates modules that provide conventional value semantics for a given set of attributes. The behaviour is similar to an immutable Struct class, plus extensible, lightweight validation and coercion.

Delayed_job (or DJ) encapsulates the common pattern of asynchronously executing longer tasks in the background. It is a direct extraction from Shopify where the job table is responsible for a multitude of core tasks.

Spectroscope is a Behavior-Driven Development (BDD) framework built on RubyTest, designed to emulate RSpec in most respects. It is assertion framework independent so any number of assertion systems can be used, such as Assay or AE.

Nori is a simple XML parsing ripped from Crack which in-turn ripped from Merb. It supports pluggable parsers and ships with both REXML and Nokogiri implementations.

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 drop-in replacement for the prettyprint gem, with more functionality.

The Stud Ruby library adds a few things missing from the standard Ruby library such as:

Stud::Try

Retry on failure, with back-off, where failure is any exception.

Stud::Pool

Generic resource pools.

Stud::Task

Tasks (threads that can return values, exceptions, etc.)

Stud.interval

Interval execution (do X every N seconds).

Stud::Buffer

Batch and flush behavior.

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

The SafeYAML gem provides an alternative implementation of YAML.load suitable for accepting user input in Ruby applications.