The sys-filesystem library provides a cross-platform interface for gathering file system information, such as disk space and mount points.

fog is a Ruby cloud services library. This package provides shared classes and tests for fog providers and services.

Multipart-Post Adds multipart POST capability to Ruby's net/http library.

HTTP::Cookie is a Ruby library to handle HTTP Cookies based on RFC 6265. It has been designed with security, standards compliance and compatibility in mind, to behave just the same as today's major web browsers. It has built-in support for the legacy cookies.txt and cookies.sqlite formats of Mozilla Firefox.

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

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.

RubyRC4 is a pure Ruby implementation of the RC4 algorithm.

Namae (名前) is a parser for human names. It recognizes personal names of various cultural backgrounds and tries to split them into their component parts (e.g., given and family names, honorifics etc.).

This package provides a Ruby library to perform different operations with permutations of sequences, such as strings and arrays.

Addressable is a replacement for the URI implementation that is part of Ruby's standard library. It more closely conforms to RFC 3986, RFC 3987, and RFC 6570 (level 4), providing support for IRIs and URI templates.

This package provides unicode normalization form support for Ruby.

Rack::Mount supports Rack's X-Cascade convention to continue trying routes if the response returns pass. This allows multiple routes to be nested or stacked on top of each other.

This library contains some useful functionality to support the development of Ruby gems.

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.

Timecop provides "time travel" and "time freezing" capabilities, making it easier to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and DateTime.now in a single call.

Nokogiri::Diff adds the ability to calculate the differences (added or removed nodes) between two XML/HTML documents.

Test::Unit is unit testing framework for Ruby, based on xUnit principles. These were originally designed by Kent Beck, creator of extreme programming software development methodology, for Smalltalk's SUnit. It allows writing tests, checking results and automated testing in Ruby.

This package provides support for encoding and decoding binary data using a Base64 representation.

HTMLProofer is a set of tests to validate your HTML output. These tests check if your image references are legitimate, if they have alt tags, if your internal links are working, and so on. It's intended to be an all-in-one checker for your output.

RSpec::Its provides the its method as a short-hand to specify the expected value of an attribute. For example, one can use its(:size)\should eq(1)\.

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments. It's built on top of Nokogiri and libxml2.

This package provides a drop-in replacement for the prettyprint gem, with more functionality.

This module allows Ruby programs to interface with the SQLite3 database engine.

RubyPants is a Ruby port of the smart-quotes library SmartyPants. The original SmartyPants is a web publishing plug-in for Movable Type, Blosxom, and BBEdit that easily translates plain ASCII punctuation characters into smart typographic punctuation HTML entities.