This library uses the output of the ps command to create a process tree data structure for the current host.

IRB is an interactive Ruby command-line tool for REPL (Read Eval Print Loop).

This small library lets you see which property values are supported by the regular expression engine of the Ruby version you are running and can directly read out their code point ranges. In other words, it determines all supported values for \pvalue expressions and what they match.

IO.console adds console capabilities to Ruby IO instances.

Spinach is a high-level BDD framework that leverages the expressive Gherkin language to help you define executable specifications of your code.

This package provides a Jekyll plugin to generate an Atom feed of your Jekyll posts.

Pg is the Ruby interface to the PostgreSQL RDBMS. It works with PostgreSQL 9.3 and later.

This package provides a JSON implementation written in pure Ruby.

This package adds color through ANSI escape codes to Bacon test output.

This gem generates a treemap showing the complexity of Ruby code on which it is run. It uses Saikuro under the covers to analyze Ruby code complexity.

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

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

This Ruby library uses ANSI escape sequences to control the attributes of terminal output.

Timecop provides "time travel" and "time freezing" capabilities, making it easier to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and DateTime.now in a single call.

This package provides a Jekyll plugin to silently generate a sitemaps.org compliant sitemap for your Jekyll site.

This gem is a port of the rails 'rake stats' method so it can be made more robust and work for non rails projects.

This pure ruby library provides spawn() which is almost perfectly compatible with ruby 1.9's.

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

Shellany is a Ruby library providing functions to capture the output produced by running shell commands.

The Listen gem listens to file modifications and notifies you about the changes.

Faraday_Middleware is a collection of middleware for the Faraday-based API wrappers.

Like a modern code version of the mythical beast with 100 serpent heads, Typhoeus runs HTTP requests in parallel while cleanly encapsulating handling logic.

This package provides a Partial native implementation of the liquid ruby gem in C that makes it operate about three times faster.

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