This package provides a Ruby parser written in pure Ruby.

Given is an RSpec extension that allows the use of Given/When/Then terminology when defining specifications, in a way similar to the Cucumber Gherkin language.

This module adds support for the TomDoc documentation format to YARD, a documentation generation tool for Ruby.

Optimized XML (Ox) is a fast XML parser and object serializer for Ruby written as a native C extension. It was designed to be an alternative to Nokogiri and other Ruby XML parsers for generic XML parsing and as an alternative to Marshal for Object serialization.

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

Oj is a JSON parser and generator for Ruby, where the encoding and decoding of JSON is implemented as a C extension to Ruby.

Hamster provides 6 persistent data structures: Hash, Vector, Set, SortedSet, List, and Deque (which works as an immutable queue or stack).

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

Shindo is a simple depth first testing library for Ruby.

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

This library provides the functionality to create, modify, and delete boxes, versions, and providers on HashiCorp's Vagrant Cloud.

Comprehensive and flexible logging library written in Ruby for use in Ruby programs. It features a hierarchical logging system of any number of levels, custom level names, logger inheritance, multiple output destinations per log event, execution tracing, custom formatting, thread safteyness, XML and YAML configuration, and more.

This package extends the String class and adds a ColorizedString with methods to set text color, background color, and text effects.

Middleware is a generalized implementation of a middleware abstraction for Ruby.

Clap provides command line argument parsing features. It covers the simple case of executing code based on the flags or parameters passed.

This package provides a fast and scalable test runner for Ruby.

XPath is a Ruby domain-specific language (DSL) for generating XPath expressions.

This Ruby library provides a simple wrapper to bcrypt, a secure hash algorithm for hashing passwords.

rainbow provides a string presenter object to colorize strings by wrapping them in ANSI escape codes.

This package provides a tool for writing manuals for Prawn and Prawn accessories

This package allows you to test FTP implementations in ruby. It is a minimal single-client FTP server that can be bound to any arbitrary port on localhost.

This package provides support for encoding and decoding binary data using a Base64 representation.

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

This gem provides a DSL that makes it easy to write reports of various types in ruby. It eliminates the need to litter your source with puts statements, instead providing a more readable, expressive interface to your application.