You can prove anything with facts!

FnordMetric is a Ruby Event-Tracking gem on steroids

A library for interacting with Xcode simulators.

A lightweight Sass grid framework

Devise-Two-Factor is a minimalist extension to Devise which offers support for two-factor authentication through the TOTP scheme.

Blazing fast application deployment tool.

Core library for the Cucumber BDD app

Licensee automates the process of reading LICENSE files and compares their contents to known licenses using a fancy maths.

the instafailing RSpec progress bar formatter

OpenID Connect Server & Client Library

A suite of instrumentation metric primitives that can be exposed through a web services interface.

Airbrake is an online tool that provides robust exception tracking in any of your Ruby applications. In doing so, it allows you to easily review errors, tie an error to an individual piece of code, and trace the cause back to recent changes. The Airbrake dashboard provides easy categorization, searching, and prioritization of exceptions so that when errors occur, your team can quickly determine the root cause. Additionally, this gem includes integrations with such popular libraries and frameworks as Rails, Sinatra, Resque, Sidekiq, Delayed Job, Shoryuken, ActiveJob and many more.

Official Twilio SendGrid Gem to Interact with Twilio SendGrids API in native Ruby

Light weight job scheduling extension for Sidekiq that adds support for queueing jobs in a recurring way.

Supporting gem for Rails Panel (Google Chrome extension for Rails development)

Opal is a Ruby to JavaScript compiler. It is source-to-source, making it fast as a runtime. Opal includes a compiler (which can be run in any browser), a corelib and runtime implementation. The corelib/runtime is also very small.

GitLab style guides and shared style configs.

A set of methods for processing keyboard input in character, line and multiline modes. It maintains history of entered input with an ability to recall and re-edit those inputs. It lets you register to listen for keystroke events and trigger custom key events yourself.

attr_required and attr_optional

CBOR is a library for the CBOR binary object representation format, based on Sadayuki Furuhashi's MessagePack library.