ActiveModel validation for email. Including MX lookup and disposable email deny list

YamlDb is a database-independent format for dumping and restoring data. It complements the database-independent schema format found in db/schema.rb. The data is saved into db/data.yml. This can be used as a replacement for mysqldump or pg_dump, but only for the databases typically used by Rails apps. Users, permissions, schemas, triggers, and other advanced database features are not supported - by design. Any database that has an ActiveRecord adapter should work.

A wrapper around datatable's ajax methods that allow synchronization with server-side pagination in a rails app

RSpec custom matchers for Axe

Microsoft Azure Resource Management Client Library for Ruby

Bitters helps designers start projects faster by defining a basic set of Sass variables, default element style and project structure. It's been specifically designed for use within web applications. Bitters should live in your project's root Sass directory and we encourage you to modify and extend it to meet your design and brand requirements.

ID3-based implementation of the M.L. Decision Tree algorithm

Facebook Messenger client

Allows to set/get app version and build number directly to/from Info.plist

The official `github` command line helper for simplifying your GitHub experience.

htty is a console application for interacting with web servers. It's a fun way to explore web APIs and to learn the ins and outs of HTTP.

A drop-in Jekyll Plugin that provides an asset pipeline for JavaScript, CSS, SASS, SCSS. Based around Sprockets (from Rails) and just as powereful it provides everything you need to manage assets in Jekyll.

MetaInspector lets you scrape a web page and get its links, images, texts, meta tags...

Stores and retrieves localized data through attributes on a Ruby class, with flexible support for different storage strategies.

Send email in one command: Pony.mail(:to => 'someone@example.com', :body => 'hello')

Gem for working with JSON-backed attributes as ActiveRecord models

Warbler is a gem to make a Java jar or war file out of any Ruby, Rails, or Rack application. Warbler provides a minimal, flexible, Ruby-like way to bundle up all of your application files for deployment to a Java environment.

xcov is a friendly visualizer for Xcode's code coverage files

Detect CI Environment from environment variables

Intercom (https://www.intercom.io) is a customer relationship management and messaging tool for web app owners. This library makes it easier to use the correct javascript tracking code in your rails applications.