SilentStream is an extraction of some parts of ActiveSupport's Kernel Reporting Core Extensions around silencing IO streams.

The ptools (power tools) library extends Ruby's core File class with many additional methods modelled after common POSIX tools, such as File.which for finding executables, File.tail to print the last lines of a file, File.wc to count words, and so on.

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.

This package can be used to have the execution stopped for inspection in the Ruby debugger upon encountering a failure. To use it, set the RSPEC_DEBUG environment variable to true then invoke the rspec command as usual.

Parse command line arguments from nothing more than a usage message.

Mustache is a framework-agnostic way to render logic-free views. Think of Mustache as a replacement for your views. Instead of views consisting of ERB or HAML with random helpers and arbitrary logic, your views are broken into two parts: a Ruby class and an HTML template.

The thread_safe library provides thread-safe collections and utilities for Ruby.

This library provides methods to read Adobe Font Metrics (afm) files and use the data therein.

The Hashery is a tight collection of Hash-like classes. Included are the auto-sorting Dictionary class, the efficient LRUHash, the flexible OpenHash and the convenient KeyHash. Nearly every class is a subclass of the CRUDHash which defines a CRUD (Create, Read, Update and Delete) model on top of Ruby's standard Hash making it possible to subclass and augment to fit any specific use case.

This gem extends ruby-rdf with several common RDF vocabularies.

Warden is a Rack-based middleware that provides a mechanism for authentication in Ruby web applications.

Asciidoctor generates single-page documents. This extension splits documents up into multiple HTML pages according to their headings, with configurable levels.

This package provides C extensions to optimize the concurrent-ruby gem when running under the Matz's Ruby Interpreter (MRI, also known as CRuby).

Rack middleware that can be used to protect against typical web attacks. It can protect all Rack apps, including Rails. For instance, it protects against cross site request forgery, cross site scripting, clickjacking, directory traversal, session hijacking and IP spoofing.

Nenv provides a convenient wrapper for Ruby's ENV to modify and inspect the environment.

RubyMoney provides a library for dealing with money and currency conversion. Its features are:

• Provides a Money class which encapsulates all information about a certain amount of money, such as its value and its currency.

• Provides a Money::Currency class which encapsulates all information about a monetary unit.

• Represents monetary values as integers, in cents; so avoids floating point rounding errors.

• Represents currency as Money::Currency instances providing a high level of flexibility.

• Provides APIs for exchanging money from one currency to another.

This package is a Ruby parser library for Gemtext (hypertext format which is intended to serve as the native response format of the Gemini file transfer protocol) and produces a document object of various nodes.

This package provides lexical scanning operations on a String in Ruby.

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

This library can be used as a module for fog or as standalone libvirt provider. fog is a Ruby cloud services library.

Dotenv is a Ruby library for setting environment variables defined in a .env file.

This library provides functionality to send Internet mail via SMTP, the Simple Mail Transfer Protocol. The SMTP protocol specification is known as RFC2821.

Cutest runs tests in separate processes to avoid shared state.

Bond can autocomplete argument(s) to methods, uniquely completing per module, per method and per argument. Bond provides a configuration system and a DSL for creating custom completions and completion rules. Bond can also load completions that ship with gems. Bond is able to offer more than irb's completion since it uses the full line of input when completing as opposed to irb's last-word approach.