Mail is an internet library for Ruby that is designed to handle email generation, parsing and sending. The purpose of this library is to provide a single point of access to handle all email functions, including sending and receiving emails. All network type actions are done through proxy methods to Net::SMTP, Net::POP3 etc.

Mail has been designed with a very simple object oriented system that really opens up the email messages you are parsing, if you know what you are doing, you can fiddle with every last bit of your email directly.

This gem makes mathematical operations more precise in Ruby and integrates other mathematical standard libraries. Prior to Ruby 2.5, mathn was part of the Ruby standard library.

MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a web interface. Run mailcatcher, set your favourite app to deliver to smtp://127.0.0.1:1025 instead of your default SMTP server, then check out http://127.0.0.1:1080 to see the mail.

This Gem provides a common layer for serverspec and itamae.

Ruby Bindings for the GNU LibIDN library, an implementation of the Stringprep, Punycode and IDNA specifications. These are used to encode and decode internationalized domain + names according to the IDNA2003 specifications.

Included are the most important parts of the Stringprep, Punycode and IDNA APIs like performing Stringprep processings, encoding to and decoding from Punycode strings and converting entire domain names to and from the ACE encoded form.

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

This package provides a Ruby interface for secure random number generators.

This package provides assorted command line tools that may be useful when working with Ruby code.

This package provides memory profiling routines for Ruby.

WWTD is a Travis Simulator that lets you run test matrices defined in .travis.yml on your local machine, using rvm, rbenv, or chruby to test different versions of Ruby.

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

This package provides a Ruby module that provides a two-phase lock with a counter.

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

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

This package provides a lightweight mime type lookup toy.

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

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

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

Sass Spec is a test suite for Sass. Test cases are all in the spec directory.

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

The Pagination Generator forms the core of the pagination logic in Jekyll. It calculates and generates the pagination pages.

Ruby/ProgressBar is an flexible text progress bar library for Ruby. The output can be customized with a formatting system.

Gettext is a GNU gettext-like program for Ruby. The catalog file (po-file) used is the same as that used by GNU gettext, allowing you to use GNU gettext tools for maintenance.

Faker is a port of Data::Faker from Perl. It is used to easily generate fake data: names, addresses, phone numbers, etc.