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a class factory and dsl for generating command line programs real quick

Bit array for ActiveRecord

Optimist is a commandline option parser for Ruby that just gets out of your way.

CMS/LMS/Library etc Versions Fingerprinter

Create encapsulated systems of objects and focus on their interactions

BugSnag error monitoring & reporting software for rails, sinatra, rack and ruby

Log4r is a comprehensive and flexible logging library for use in Ruby programs. It features a heirarchical logging system of any number of levels, custom level names, multiple output destinations per log event, custom formatting, and more.

Expose libstemmer_c to Ruby

Plain text table generator for Ruby, with a DRY, column-based API

A data migration and visualization command line gem in Ruby

A Ruby wrapper for the Slack API

Rapid scaffold builder for Turbo-Rails and Hotwire. Get the tutorial now at:

blockchain (crypto) tools, libraries & scripts in ruby

[MAINTENANCE ONLY] DataStax Ruby Driver for Apache Cassandra

Tool for extracting pages from pdf as images and text as strings.

A simple, flexible, extensible, and liberal RSS and Atom reader for Ruby. It is designed to be backwards compatible with the standard RSS parser, but will never do RSS generation.

n Booleans = 1 Integer, saves columns and migrations.

Ruby: country/language names and 2-letter-code pairs, in 85 languages, for country/language i18n

ROXML is a module for binding Ruby classes to XML. It supports custom mapping and bidirectional marshalling between Ruby and XML using annotation-style class methods, via Nokogiri or LibXML.

A gem that calculates the exchange rate using published rates from European Central Bank. Compatible with the money gem

ScoutAPM Ruby Agent. Supports Rails, Sinatra, Grape, Rack, and many other frameworks

A Ruby library to plot charts in PDF files

A trusty CLI companion to monitor file changes and automatically run the corresponding Ruby specs. Ready to assist on any Ruby project, no setup needed!

Seamless second database integration for Rails.

A Rails plugin which provides a health checking and monitoring API of various services and application aspects.

Run RSpec tests on multiple cores. Like parallel_tests but with incremental summarized output. Originally extracted from the Discourse and Rubygems source code.

A Rails engine to provide the ability to add documentation to a Rails application

Rails application generator that builds applications with the common customization stuff already done.

Dnsruby is a feature-complete DNS(SEC) client for Ruby, as used by many of the world's largest DNS registries and the OpenDNSSEC project

Small, focused, awesome methods added to core Ruby classes. Home of the endlessly useful nil_chain.