Minitest-sprint is a test runner for minitest that makes it easier to re-run individual failing tests.

This package provides a module for encoding and decoding (X)HTML entities.

This package provides a collection of RuboCop cops to check for performance optimizations in Ruby code.

Zeitwerk implements constant autoloading with Ruby semantics. Each gem and application may have their own independent autoloader, with its own configuration, inflector, and logger. Supports autoloading, reloading, and eager loading.

Bio-logger is a wrapper around Log4r adding extra logging features such as filtering and fine grained logging.

Slim is a template language for Ruby that aims to reduce the syntax to the minimum while remaining clear.

This package provides a pure Ruby implementation of the RFC 7519 OAuth JWT standard.

Yell is a comprehensive logging replacement for Ruby. It defines multiple adapters, various log level combinations and message formatting options.

This package provides a RuboCop plugin that can be used for code style checking of Capybara test files (RSpec, Cucumber, Minitest).

Saikuro is a Ruby cyclomatic complexity analyzer. When given Ruby source code Saikuro will generate a report listing the cyclomatic complexity of each method found. In addition, Saikuro counts the number of lines per method and can generate a listing of the number of tokens on each line of code.

Rouge is a code highlighter written in Ruby. It supports more than 100 languages and outputs HTML or ANSI 256-color text. Its HTML output is compatible with stylesheets designed for pygments.

stackprof is a fast sampling profiler for Ruby code, with cpu, wallclock and object allocation samplers.

The PDF::Reader library implements a PDF parser conforming as much as possible to the PDF specification from Adobe. It provides programmatic access to the contents of a PDF file with a high degree of flexibility.

This gem provides a DSL that makes it easy to write reports of various types in ruby. It eliminates the need to litter your source with puts statements, instead providing a more readable, expressive interface to your application.

Citrus is a parsing library for Ruby that combines the expressiveness of the language with the parsing expressions.

This package is a wrapper around parallel_tests that runs every test in a fork to avoid pollution and get clean output per test.

ruby_version provides a RubyVersion module to simplify checking for the right Ruby version in software.

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

This gem is a library that provides trigonometric and transcendental functions for complex numbers. The functions in this module accept integers, floating-point numbers or complex numbers as arguments.

This package provides a gem to convert LaTeX input to Unicode. Its original use was as an input filter for BibTeX-Ruby, but it can be used independently to decode LaTeX. Many of the patterns used by this Ruby gem are based on François Charette's equivalent Perl module LaTeX::Decode.

This package provides a Partial native implementation of the liquid ruby gem in C that makes it operate about three times faster.

This package provides a subclass of Object that includes the Comparable module for handling dates.

Forwardable Extended provides more Forwardable methods for your source as Forwardable::Extended.

A Ruby gem for tokenizing, parsing, and transforming regular expressions. It comprises the following components:

• A scanner/tokenizer based on Ragel,

• A lexer that produces a stream of token objects,

• A parser that produces a tree of Expression objects.