This package provides a common interface to multiple JSON libraries, including Oj, Yajl, the JSON gem (with C-extensions), the pure-Ruby JSON gem, NSJSONSerialization, gson.rb, JrJackson, and OkJson.

This package provides a native extension that can increase performance by about 25% compared to the pure Ruby WebSocket implementation.

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

This package provides localhost, a Ruby library for Managing a local certificate authority for self-signed, localhost development servers.

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

Flores is a fuzzing, randomization, and stress library to help tests uncover more bugs.

RGL is a framework for graph data structures and algorithms. The design of the library is much influenced by the Boost Graph Library (BGL) which is written in C++.

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

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 gems add the --watch switch to the jekyll CLI interface. It allows Jekyll to rebuild your site when a file changes.

EDTF-Ruby provides a parser and an API for the EDTF standard, implemented as an extension to Ruby's Date class.

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

Swagger::Diff is a utility for comparing two different Open API Initiative (OAI) specifications (formerly known as Swagger specifications). It is intended to determine whether a newer API specification is backwards-compatible with an older API specification.

This package provides a pure Ruby library for event-driven IO.

Covered uses modern Ruby features to generate comprehensive coverage, including support for templates which are compiled into Ruby. It has the following features:

• Incremental coverage -- if you run your full test suite, and the run a subset, it will still report the correct coverage - so you can incrementally work on improving coverage.

• Integration with RSpec, Minitest, Travis & Coveralls - no need to configure anything - out of the box support for these platforms.

• It supports coverage of views -- templates compiled to Ruby code can be tracked for coverage reporting.

bake-test automatically discovers how to run local test suites for Ruby projects. It supports rspec, sus, as well as rake.

Dalli is a high performance pure Ruby client for accessing memcached servers. Dalli supports:

• Simple and complex memcached configurations

• Fail-over between memcached instances

• Fine-grained control of data serialization and compression

• Thread-safe operation

• SSL/TLS connections to memcached

• SASL authentication.

The name is a variant of Salvador Dali for his famous painting The Persistence of Memory.

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

Roda is a routing tree web toolkit, designed for building fast and maintainable web applications in ruby.

This package provides telnet client functionality.

shoulda is a meta-package combining shoulda-context and shoulda-matchers providing tools for writing tests.

Text::Hyphen is a Ruby library to hyphenate words in various languages using Ruby-fied versions of TeX hyphenation patterns. It will properly hyphenate various words according to the rules of the language the word is written in. The algorithm is based on that of the TeX typesetting system by Donald E. Knuth.

The Stud Ruby library adds a few things missing from the standard Ruby library such as:

Stud::Try

Retry on failure, with back-off, where failure is any exception.

Stud::Pool

Generic resource pools.

Stud::Task

Tasks (threads that can return values, exceptions, etc.)

Stud.interval

Interval execution (do X every N seconds).

Stud::Buffer

Batch and flush behavior.

Archive::Tar::Minitar is a pure-Ruby library and command-line utility that provides the ability to deal with POSIX tar archive files.