ActionView provides conventions and helpers for building web pages in Ruby.

Rspec-core provides the RSpec test runner and example groups.

Rspec-core provides the RSpec test runner and example groups.

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

This library integrates the SASS stylesheet language into Ruby on Rails.

This library provides a simple API for XML processing in Ruby.

This library provides Ruby bindings for the Mac OSX FSEvents API.

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

Formatador is a Ruby library to format text printed to the standard output stream.

RSpec::Wait strives to make it easier to test asynchronous or slow interactions.

This package implements a variant of Set whose elements are sorted in ascending order

This package allows loading, parsing and cascading Cascading Style Sheets (CSS) rule sets in Ruby.

ActionPack provides conventions for building and testing MVC web applications. These work with any Rack-compatible server.

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

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

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

This Ruby library is controlling and communicating with spawned processes. It is designed after Python's subprocess module.

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

rb-inotify is a simple wrapper over the inotify Linux kernel subsystem for monitoring changes to files and directories.

Prawn::Icon provides various icon fonts including FontAwesome, PaymentFont and Foundation Icons for use with the Prawn PDF toolkit.

pkg-config can be used in your extconf.rb to properly detect need libraries for compiling Ruby native extensions.

Given a string pattern, Mustermann will turn it into an object that behaves like a regular expression and has comparable performance characteristics.

This extends the bacon testing framework with useful extensions to disable tests, have before and after blocks that run once and more.

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