Microsoft Azure Service Fabric Client Library for Ruby

https://github.com/Azure/azure-sdk-for-ruby/tree/master/data/azure_service_fabric

Ruby extension for base32 encoding and decoding

https://github.com/stesla/base32

Encode and decode binary data using a Base64 representation

https://github.com/ruby/base64

Encode and decode binary data using a Base64 representation

https://github.com/ruby/base64

Protocol Buffers library in pure Ruby

https://github.com/protobuf-ruby/beefcake

Performance benchmarking library

https://github.com/ruby/benchmark

Arbitrary-precision decimal floating-point number class

https://github.com/ruby/bigdecimal

Arbitrary-precision decimal floating-point number class

https://github.com/ruby/bigdecimal

Intended to work as a drop-in for Rails applications

http://www.bigrecord.org

Binary dissector and generator

https://codeberg.org/lemontree55/bin_struct

Extracting binary integers from binary string and packing back

https://github.com/funny-falcon/bin_utils

Ruby library to read and write binary file formats

https://github.com/dmendel/bindata

Ruby library to read and write binary file formats

https://github.com/dmendel/bindata

Retrieve the binding of a methods caller

https://github.com/banister/binding_of_caller

Integrated environment for Bioinformatics written in Ruby

http://bioruby.org/

Collection of miscellaneous utilities for bioinformatics

https://github.com/bioruby/bioruby-executables

Emulate Bio::Fetch object

https://github.com/ngoto/bioruby-old-biofetch-emulator

Command-line interface on BioRuby

https://github.com/bioruby/bioruby-shell

Ruby bindings for Blurhash library

https://github.com/Gargron/blurhash

Bring your own LUA scripts into redis

https://github.com/brpoplpush/brpoplpush-redis_script

Extracts token delimited entities from arbitrary inputs

https://github.com/sferik/buftok

Extracts token delimited entities from arbitrary inputs

https://github.com/sferik/buftok

Facilitate programmatic generation of XML markup

https://github.com/tenderlove/builder

Tool that manages gem dependencies for Ruby applications

https://bundler.io/

Another synchronous Ruby AMQP client

https://github.com/ruby-amqp/bunny

Ruby 2 debugger

https://github.com/deivid-rodriguez/byebug

Rapid DSL prototyping in Ruby

https://github.com/delano/caesars

Simple CAPTCHA written in Ruby

https://github.com/winton/captcha

Extraction of the key_transform abilities of ActiveModelSerializers

https://github.com/NullVoxPopuli/case_transform

Support for the Common Gateway Interface protocol

https://github.com/ruby/cgi

Gyoku translates Ruby Hashes to XML

https://github.com/chef/chef-gyoku

Basic utility functions for Core Chef Infra development

https://github.com/chef/chef/tree/main/chef-utils

Ruby library for Windows Remote Management

https://github.com/chef/chef-winrm

External background process controller

https://github.com/enkessler/childprocess

Ruby library to read and write PNG images

https://github.com/wvanbergen/chunky_png/wiki

Make easier commandline parsing and console output

https://rubygems.org/gems/clio

Fast and easy syntax highlighting for selected languages

http://coderay.rubychan.de/

Coffee Script adapter for the Rails asset pipeline

https://github.com/rails/coffee-rails

Ruby CoffeeScript is a bridge to the JS CoffeeScript compiler

https://github.com/rails/ruby-coffee-script

Little language that compiles into JavaScript

https://github.com/jashkenas/coffeescript

Colorize your text in the terminal

https://github.com/octopress/colorator

Modern concurrency tools for Ruby

https://github.com/ruby-concurrency/concurrent-ruby

Generic connection pool for Ruby

https://github.com/mperham/connection_pool

Beautiful logging for Ruby

https://socketry.github.io/console/ https://github.com/socketry/console

Library for parsing and returning cookies in Ruby HTTP clients

https://github.com/dwaite/cookiejar

Gems for cool.io

https://github.com/tarcieri/cool.io

Provides a simple interface on top of CouchDBs RESTful HTTP API

https://github.com/couchrest/couchrest

CSS parser based on the CSS Syntax Level 3 draft

https://github.com/rgrove/crass

Allow building easy-to-use command-line interfaces

https://github.com/denisdefreyne/cri

Interface to CSV files and data

https://github.com/ruby/csv