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

YARD is a documentation generation tool for the Ruby programming language. It enables the user to generate consistent, usable documentation that can be exported to a number of formats very easily, and also supports extending for custom Ruby constructs such as custom class level definitions.

Rack::Cache is suitable as a drop-in component to enable HTTP caching for Rack-based applications that produce freshness (Expires, Cache-Control) and/or validation (Last-Modified, ETag) information.

The test-queue module is a parallel test runner, built using a centralized queue to ensure optimal distribution of tests between workers. It is specifically optimized for Continuous Integration (CI) environments: build statistics from each run are stored locally and used to sort the queue at the beginning of the next run.

This package provides telnet client functionality.

AnyStyle is a very fast and smart parser for academic reference lists and bibliographies. AnyStyle uses powerful machine learning heuristics based on Conditional Random Fields and aims to make it easy to train the model with data that is relevant to your parsing needs.

This package provides the anystyle command-line utility. AnyStyle can also be used as a Ruby library or as a web application, though the later has not yet been packaged for Guix.

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

Ethon is a very basic libcurl wrapper using ffi.

This package provides a plugin specification for Ruby linter and formatter rulesets.

EmailReplyTrimmer is a Ruby small library to trim replies from plain text email.

Dotenv is a Ruby library for setting environment variables defined in a .env file. This is the Rails variant, adapted for use with Ruby on Rails projects.

Net::SCP is a pure-Ruby implementation of the SCP client protocol.

nio provides cross-platform asynchronous I/O primitives in Ruby for scalable network clients and servers.

RJB is a bridge program that connects Ruby and Java via the Java Native Interface.

Shindo is a simple depth first testing library for Ruby.

ExecJS lets you run JavaScript code from Ruby. It automatically picks a runtime to evaluate your JavaScript program, then returns the result to you as a Ruby object.

Rugged is a library for accessing libgit2 in Ruby. It gives you the speed and portability of libgit2 with the beauty of the Ruby language.

Hoe is a rake/rubygems helper for project Rakefiles. It helps manage, maintain, and release projects and includes a dynamic plug-in system allowing for easy extensibility. Hoe ships with plug-ins for all the usual project tasks including rdoc generation, testing, packaging, deployment, and announcement.

The cane gem provides a great framework for running quality checks over your ruby project as part of continuous integration build. It comes with a few checks out of the box, but also provides an API for loading custom checks. This gem provides a set of additional checks.

EDTF-Ruby provides a parser and an API for the EDTF standard, implemented as an extension to Ruby's Date class.

This package provides unicode normalization form support for Ruby.

Delayed_job (or DJ) encapsulates the common pattern of asynchronously executing longer tasks in the background. It is a direct extraction from Shopify where the job table is responsible for a multitude of core tasks.

Sentry-Core provides a gem that provides a client interface for the Sentry error logger.

This package provides a RBTree is a sorted associative collection that is implemented with a Red-Black Tree. It maps keys to values like a Hash, but maintains its elements in ascending key order. The interface is the almost identical to that of Hash.