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

Discount is an implementation of John Gruber's Markdown markup language in C. It implements all of the language described in the markdown syntax document and passes the Markdown 1.0 test suite.

crack provides really simple JSON and XML parsing, extracted from code in Merb and Rails.

This package provides a few useful extensions to core Ruby classes, including Array, Enumerable, Hash, Numeric, and String.

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality. The protocol is described in IMAP.

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

Addressable is a replacement for the URI implementation that is part of Ruby's standard library. It more closely conforms to RFC 3986, RFC 3987, and RFC 6570 (level 4), providing support for IRIs and URI templates.

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

TomParse is a TomDoc parser for Ruby. It takes a code comment as input and parses it into a convenient object-oriented structure in accordance with the TomDoc standard. See TomDoc for more information about the TomDoc format.

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

This package provides a WebSocket base for a Ruby client and server.

Timeout provides a way to auto-terminate a potentially long-running operation if it hasn't finished in a fixed amount of time.

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

CharacterSet is a C-extended Ruby library to work with sets of Unicode code points. It can read and write these sets in various formats and implements the stdlib Set interface for them. It also offers an alternate paradigm of String processing which grants much better performance than Regexp and String methods from the stdlib where applicable. Many parts can be used independently, e.g.:

• CharacterSet::Character

• CharacterSet::Parser

• CharacterSet::Writer

• RangeCompressor

Cane fails your build if code quality thresholds are not met.

Promise is a Ruby implementation of the Promises/A+ specification. It provides 100% mutation coverage, tested on MRI 1.9, 2.0, 2.1, 2.2, Rubinius, and JRuby.

ruby-hydra is a Ruby library for working with hyphenation patterns.

Systemu can be used on any platform to return status, stdout, and stderr of any command. Unlike other methods like open3 and popen4 there is no danger of full pipes or threading issues hanging your process or subprocess.

Mocha is a mocking and stubbing library with JMock/SchMock syntax, which allows mocking and stubbing of methods on real (non-mock) classes.

Sass is a CSS extension language. It extends CSS with features that don't exist yet like variables, nesting, mixins and inheritance.

This package provides a Ruby implementation of RFC5869: HKDF. The goal of HKDF is to take some source key material and generate suitable cryptographic keys from it.

Data URIs allow resources to be embedded inside a URI. The URI::Data class provides support for parsing these URIs using the normal URI.parse method.

With Serverspec, you can write RSpec tests for checking your servers are configured correctly.

Serverspec tests your servers’ actual state by executing command locally, via SSH, via WinRM, via Docker API and so on. So you don’t need to install any agent softwares on your servers and can use any configuration management tools, Puppet, Ansible, CFEngine, Itamae and so on.

But the true aim of Serverspec is to help refactoring infrastructure code.

This Ruby library provides an abstract interface for network clients.