rest-client provides a simple HTTP and REST client for Ruby, inspired by the Sinatra microframework style of specifying actions: get, put, post, delete.

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.

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 package provides a performant priority queue in pure ruby with support for changing priority using pairing heap data structure

The FileUtils Ruby library includes Several file utility methods for copying, moving, removing, etc.

Org-ruby is an org-mode parser written in Ruby. The most significant thing this library does today is convert org-mode files to HTML or Textile or Markdown.

Multihashes provides a simple, low-level multihash implementation for Ruby. A multihash is a digest with an embedded hash function code

The Wapiti-Ruby gem provides a wicked fast linear-chain CRF API for sequence segmentation and labelling. It is based on the codebase of Wapiti.

CountDownLatch is a synchronization aid that allows one or more threads to wait until a set of operations being performed in other threads completes.

ruby-hydra-minimal is a Ruby library for working with hyphenation patterns. It is a low-dependency variant of ruby-hydra.

UserAgent is a Ruby library that parses and compares HTTP User Agents.

minitest/reporters provides a custom Minitest runner to improve how the test state is reported. A number of different reporters are available, including a spec reporter, progress bar reporter, a HTML reporter.

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

ruby_engine provides an RubyEngine class that can be used to check which implementation of Ruby is in use. It can provide the interpreter name and provides query methods such as RubyEngine.mri?.

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

This RSpec plugin allows you to use block_is_expected similarly to how you would use is_expected if a block was wrapping the subject.

This gem is a simple callback-based HTTP request/response parser for writing http servers, clients and proxies.

Rubygems-task provides Rake tasks for managing and releasing Ruby Gems.

Ruby dubugging companion: pretty print Ruby objects to visualize their structure. Supports custom object formatting via plugins.

Pleaserun is a tool to generate startup scripts and service definitions. It targets service managers such as systemd, Upstart, launchd, sysv init, and runit.

m stands for metal, a better test/unit and minitest test runner that can run tests by line number.

Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests. This is an older version of VCR that is free software under the Expat license. The project later switched to the Hippocratic license, which is non-free. Do not use it in new free software projects.

This package provides a tool for writing manuals for Prawn and Prawn accessories

Sawyer is an experimental hypermedia agent for Ruby built on top of Faraday.