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Sentry SDK for Ruby

The official Airbrake library for Ruby applications

Ruby FFI binding to the Networking and Cryptography (NaCl) library (a.k.a. libsodium)

the 5k pocket full-of-gags web microframework

:key: Hash type identifier (CLI & lib)

Rack-based asset packaging system

SQL Server Adapter For Rails

Email subscriptions for Rails

Test command-line applications with Cucumber-Ruby, RSpec or Minitest.

Integrate Select2 javascript library with Rails asset pipeline

Use Hotwire in your Ruby on Rails app

Flog reports the most tortured code in an easy to read pain report. The higher the score, the more pain the code is in.

Date and time formatting for humans.

Web-friendly image processing macros for libvips and ImageMagick

A simple Ruby on Rails plugin for creating and managing a breadcrumb navigation.

Translate your rails app route to various languages without the hassle

ActiveRecord connection adapter for PostGIS, based on postgresql and rgeo

Improvements for Ruby's IRB console 💎︎

Official gem repository: Ruby kernel for Jupyter/IPython Notebook

RDoc produces HTML and online documentation for Ruby projects.

Open Source Event Manager. An event management tool tailored to Free and Open Source Software conferences.

Pure Ruby implementation of HTTP/2 protocol

Configuration library for Ruby gems and applications

The best data slicer! Watch a 3 minute screencast at http://tableprintgem.com

A Rake task gem that helps you find the unused routes and controller actions for your Rails 3+ app

Interact with REST services in an ActiveRecord-like manner

Terjira is a very interactive and easy to use CLI tool for Jira.

Ruby extension for the libvips image processing library.

Flexible Ruby on Rails breadcrumbs plugin.

A ruby gem for creating navigations (with multiple levels) for your Rails, Sinatra or Padrino applications. Render your navigation as html list, link list or breadcrumbs.