Sorbet's runtime type checking component. Sorbet is a powerful type checker for Ruby.

Haml is a layer on top of HTML or XML that is designed to express the structure of documents using indentation rather than closing tags. It was originally envisioned as a plugin for Ruby on Rails, but it can function as a stand-alone templating engine.

MSpec is a specialized framework that is syntax-compatible with RSpec 2 for basic features. MSpec contains additional features that assist in writing specs for Ruby implementations in ruby/spec.

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

Connection_pool provides a generic connection pooling interface for Ruby programs.

This gem provides a Power Assert implementation for Minitest. It is inspired by the test-unit-power_assert gem.

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?.

The SnakyHash Ruby library provides classes for normalizing hash keys and look-ups, and a pseudo-object interface.

This package allows loading, parsing and cascading Cascading Style Sheets (CSS) rule sets in Ruby.

This package provides a Jekyll plugin to generate an Atom feed of your Jekyll posts.

Hashie is a collection of classes and mixins that make Ruby hashes more powerful.

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.

ast is a Ruby library for working with Abstract Syntax Trees. It does this through immutable data structures.

This package containse the JSON parsing tools shared between a number of providers in the fog gem. fog is a Ruby cloud services library.

Liquid is a template language written in Ruby. It is used to load dynamic content on storefronts.

This package provides a WebSocket base for a Ruby client and server.

Unicode::DisplayWidth is a Ruby library which can determine the display width of strings in Ruby.

This package provides a fast and scalable test runner for Ruby.

multipart-parser is a simple parser for multipart MIME messages, written in Ruby, based on felixge/node-formidable's parser. It has the following characteristics:

• Pure Ruby

• Event-driven API

• Only supports one level of multipart parsing

• Does not perform I/O

• Does not depend on any other library.

This package can speed up Test::Unit, RSpec, Cucumber, and Spinach tests by running them concurrently across multiple CPU cores.

This package provides a simple WebSocket client for Ruby.

Guard is a command line tool to easily handle events on file system modifications. Guard automates various tasks by running custom rules whenever file or directories are modified.

Rack::Test is a small, simple testing API for Rack applications. It can be used on its own or as a reusable starting point for Web frameworks and testing libraries to build on.

This Ruby gem extends Faraday to perform multipart-post requests.