GRPC is a high performance, open-source universal RPC framework. This package provides a ruby interface for it.

Crass is a pure Ruby CSS parser based on the CSS Syntax Level 3 spec.

Bandwidth IRIS is a Ruby SDK for Bandwidth Phone Number Dashboard. It is a Ruby Client library for IRIS / BBS API.

This package provides Ruby FFI bindings to the Networking and Cryptography (NaCl) library, also known as libsodium. This provides a high-level toolkit for building cryptographic systems and protocols.

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

pkg-config can be used in your extconf.rb to properly detect need libraries for compiling Ruby native extensions.

This gem provides the classes LinkHeader and LinkHeader::Link, which represent HTTP Link headers conforming to RFC 5988. Objects can be constructed from and converted to text or a JSON-friendly Array representation. They can also be used to generate corresponding HTML link elements.

The Wapiti-Ruby gem provides a wicked fast linear-chain CRF API for sequence segmentation and labelling. It is based on the codebase of Wapiti.

The sys-uname library provides an interface for gathering information about your current platform. It allows retrieving information such as the OS name, OS version, system name, etc.

IO.console adds console capabilities to Ruby IO instances.

Nokogiri (鋸) parses and searches XML/HTML, and features both CSS3 selector and XPath 1.0 support.

This Ruby library provides an experimental logging system that tries to make logging more flexible and more consumable than plain-text logging.

This package provides a RubyVersion class which offers a convenient Domain Specific Language (DSL) for checking for the right Ruby version.

CountDownLatch is a synchronization aid that allows one or more threads to wait until a set of operations being performed in other threads completes.

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.).

Shindo is a simple depth first testing library for Ruby.

CI::Reporter is an add-on to Ruby testing frameworks that allows you to generate XML reports of your test runs. The resulting files can be read by a continuous integration system that understands Ant's JUnit report format.

Psych is a YAML parser and emitter. Psych leverages libyaml for its YAML parsing and emitting capabilities. In addition to wrapping libyaml, Psych also knows how to serialize and de-serialize most Ruby objects to and from the YAML format.

Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests. This is an older version of VCR that is free software under the Expat license. The project later switched to the Hippocratic license, which is non-free. Do not use it in new free software projects.

Rack provides a minimal, modular and adaptable interface for developing web applications in Ruby. By wrapping HTTP requests and responses, it unifies the API for web servers, web frameworks, and software in between into a single method call.

rest-client provides a simple HTTP and REST client for Ruby, inspired by the Sinatra microframework style of specifying actions: get, put, post, delete.

This package provides a Ruby library to handle the WebSocket protocol.

BibTeX-Ruby is the Rubyist's Swiss Army knife for all things BibTeX. It includes a parser for all common BibTeX objects and a sophisticated name parser that tokenizes correctly formatted names. BibTeX-Ruby recognizes BibTeX string replacements, joins values containing multiple strings or variables, supports cross-references, and decodes common LaTeX formatting instructions to unicode. If you are in a hurry, it also allows for easy export/conversion to formats such as YAML, JSON, CSL, and XML (BibTeXML).

Faker is a port of Data::Faker from Perl. It is used to easily generate fake data: names, addresses, phone numbers, etc.