Oj is a JSON parser and generator for Ruby, where the encoding and decoding of JSON is implemented as a C extension to Ruby.

This package is a collection of ANSI escape code related libraries enabling ANSI colorization and stylization of console output. Included in the library are the Code module, which defines ANSI codes as constants and methods, a Mixin module for including color methods, a Logger, a ProgressBar, and a String subclass. The library also includes a Terminal module which provides information about the current output device.

This package provides memory profiling routines for Ruby.

Base32 is a library which provides base32 decoding and encoding.

Redcarpet is an extensible Ruby library for Markdown processing and conversion to (X)HTML.

Parallel allows you to run any code in parallel Processes (to use all CPUs) or Threads(to speedup blocking operations). It is best suited for map-reduce or e.g. parallel downloads/uploads.

XPath is a Ruby domain-specific language (DSL) for generating XPath expressions.

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.

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

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

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

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

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

mkmf-lite is a light version of Ruby's mkmf.rb designed for use as a library. It does not create packages, builds, or log files of any kind. Instead, it provides mixin methods that you can use in FFI or tests to check for the presence of header files, constants, and so on.

Pleaserun is a tool to generate startup scripts and service definitions. It targets service managers such as systemd, Upstart, launchd, sysv init, and runit.

LazyObject is an object wrapper that forwards all calls to the reference object. This object is not created until the first method dispatch.

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.

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++.

This package provides a simple WebSocket client for Ruby.

The mapping gem maps model objects based on their class to a given output model. It is useful for versioning external interfaces (e.g. JSON APIs) or processing structured data from one format to another.

This package provides a JSON implementation written in pure Ruby.

This package is a Ruby parser library for Gemtext (hypertext format which is intended to serve as the native response format of the Gemini file transfer protocol) and produces a document object of various nodes.

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

Ruby Bindings for the GNU LibIDN library, an implementation of the Stringprep, Punycode and IDNA specifications. These are used to encode and decode internationalized domain + names according to the IDNA2003 specifications.

Included are the most important parts of the Stringprep, Punycode and IDNA APIs like performing Stringprep processings, encoding to and decoding from Punycode strings and converting entire domain names to and from the ACE encoded form.