Rails Console on the Browser.

A visual backtracing support for PEG.js

🌐 The Babel documentation website

An example multiplayer (.io) web game.

JavaScript's utility _ belt

Automatically save screen shots when a Capybara scenario fails

Track changes to your rails models

Minitest & Test::Unit context framework extracted from Shoulda

An extension to Delayed::Job that allows you to set cron expressions for your jobs to run regularly.

Ruby on Rails

A prettier plugin for the Ruby programming language

A port of Perl's Unidecoder to Ruby.

Some of the hidden norms about Hacker News not otherwise covered in the Guidelines and the FAQ.

Plugin for vim to enabling opening a file in a given line

Database based asynchronous priority queue system -- Extracted from Shopify

libsodium/rbnacl buildpack for Heroku

A gem to help you make decisions about your gem dependencies.

Documentation and Samples for the Official HN API

Minitest integration for Rails

Easy installation and use of chromedriver, the Chromium project's selenium webdriver adapter.

Standalone sdoc generator

Discord API for Ruby

A MITM (monster-in-the-middle) detection tool. Used to build MALCOLM:

Port of python's PyMouse. Cross-platform simulation of mouse events.