Rails internals: application bootup, plugins, generators, and rake tasks.

A pure ruby implementation of the RFC 7519 OAuth JSON Web Token (JWT) standard.

Capybara is an integration testing tool for rack based web applications. It simulates how a user would interact with a website

Ruby interface to xcrun simctl

Instrumentation for GitLab

Debugging functionality for Ruby. This is completely rewritten debug.rb which was contained by the ancient Ruby versions.

RubyCritic is a tool that wraps around various static analysis gems to provide a quality report of your Ruby code.

IDE tools for code completion, inline documentation, and static analysis

Mutation Testing for Ruby.

Be lazy. Let Maid clean up after you, based on rules you define. Think of it as "Hazel for hackers".

Operational controls for Active Job

The EmailAddress Gem to work with and validate email addresses.

Converts AsciiDoc documents into HTML5 presentations designed to be executed by the reveal.js presentation framework.

PostgreSQL Cursor is an extension to the ActiveRecord PostgreSQLAdapter for very large result sets. It provides a cursor open/fetch/close interface to access data without loading all rows into memory, and instead loads the result rows in 'chunks' (default of 1_000 rows), buffers them, and returns the rows one at a time.

A Ruby kernel for Jupyter environment. Try it at try.jupyter.org.

The Irbtools make working with Ruby's IRB console more fun & productive.

Your Rails console, 1984 style

A simple tool for tracking vendor branches in git.

Apparition is a driver for Capybara that allows you to run your tests on Chrome in a headless or headed manner

Textbringer is a member of a demon race that takes on the form of an Emacs-like text editor.