A command-line tool that helps you summarize and pretty-print collaborators in a git repository based on contributions

Convert markdown to keynote

Check the state of your Tesla Model S and issue basic commands. Stream data from the car's telematics system.

Ruby 2D Game library on top of Opal

webgen is used to generate static websites from templates and content files (which can be written in a markup language). It can generate dynamic content like menus on the fly and comes with many powerful extensions.

Ruby gem wrapper for the OldPlaid API. Read more at the homepage, the wiki, or the plaid documentation.

This gem provides jQuery and the jQuery-ujs driver for your Rails 4+ application.

With Amountable, you can easily attach, organize and sum Ruby money fields to your models without migrating.

Simple, powerful data frames for Ruby

Scan for definitions and references in your Ruby code.

Abuses I18n to set HTML <title>s

Katello adds Content and Subscription Management to Foreman. For this it relies on Candlepin and Pulp.

Obscenity is a profanity filter gem for Ruby/Rubinius, Rails (through ActiveModel), and Rack middleware

AES Everywhere is Cross Language Encryption Library which provides the ability to encrypt and decrypt data using a single algorithm in different programming languages and on different platforms. This is an implementation of the AES algorithm, specifically CBC mode, with 256 bits key length and PKCS7 padding.

Provides simple way to integrate regression test selection approach to your RSpec test suite

A simple, Git-powered wiki with a sweet API and local frontend.

DynamicForm holds a few helper methods to help you deal with your Rails3 models. It includes the stripped out methods from Rails 2; error_message_on and error_messages_for. It also brings in the functionality of the custom-err-messages plugin, which provides more flexibility over your model error messages.

Simplifies using Chart.js in Rails

Google libphonenumber library was taken as a basis for this gem. Gem uses its data file for validations and number formatting.

Awesome patches backported for ActiveRecord MySQL adapters

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah excels at HTML sanitization (XSS prevention). It includes some nice HTML sanitizers, which are based on HTML5lib's safelist, so it most likely won't make your codes less secure. (These statements have not been evaluated by Netexperts.) ActiveRecord extensions for sanitization are available in the [`loofah-activerecord` gem](https://github.com/flavorjones/loofah-activerecord).

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代码自动检查脚本

A MediaElement gem(engine) for Rails. Makes embedding HTML5 video easy.

NetHttp2 is an HTTP2 client for Ruby.

SitemapGenerator is a framework-agnostic XML Sitemap generator written in Ruby with automatic Rails integration. It supports Video, News, Image, Mobile, PageMap and Alternate Links sitemap extensions and includes Rake tasks for managing your sitemaps, as well as many other great features.

Tim Fletcher and _why's ruby driven HTML templating system

Generates modules that provide conventional value semantics for a given set of attributes. The behaviour is similar to an immutable `Struct` class, plus extensible, lightweight validation and coercion.

Adds a way to define behaviors and contracts betweet your code at compile-time instead of at run-time, so you can be sure your code adheres to a certain behavior before it hits production.

Rich text editor for Active Admin using wysihtml5.

A dirt simple library for parsing and formatting human readable dates

Microsoft Azure Storage Blob Client Library for Ruby

Automatically add whitespace between Chinese and and half-width characters (alphabetical letters, numerical digits and symbols).

August Ash recipes for Capistrano

ActiveRecord extensions for PostgreSQL. Provides useful tools for schema, foreign_key, index, comment and extensios manipulations in migrations.

Rack middleware to automatically include code for Smart App Banner, introduced in iOS 6.

For large or expensive pages, use this gem to load less critical portions of the page. Especially useful for large queries or content that's hidden from the user on load. The best solution may be to optimize your content, but there's not always time for that.

Provides a better error page for Rails and other Rack apps. Includes source code inspection, a live REPL and local/instance variable inspection for all stack frames.

Build reactive applications with the Rails tooling you already know and love.

DeathByCaptcha allows you to solve captchas with manual labor

software to fetch configuration from network devices and store them

A Ruby interface to the Twitter API.

A Ruby Interface file generator for gems, core types and the Ruby standard library

Wiselinks makes following links and submitting some forms in your web application smarter and faster

Opal DOM library for jQuery

Preload ActiveRecord associations with graphql-batch

jQuery plugin to set listeners for CSS Transition animation end or specific part.

A library to make it easier to do golden-master style testing in Ruby

A Ruby frontend to the pdftk binary, including FDF and XFDF creation. Just pass your template and a hash of data to fill in.

Capistrano notifications for all team members via OSX Notification Center

Betterment's library for developing and testing service-oriented apps in isolation with WebMock and Sinatra-based fakes.

google-cloud-storage is the official library for Google Cloud Storage.

upnp provides the tools you need to build an app that runs in a UPnP environment. This is a pre-release gem and is subject to substantial change.

A Ruby framework for MediaWiki API manipulation.

PayPal Express Checkout API Client for recurring billing.

A framework to implement robust multiprocess servers like Unicorn

Dragonfly is an intelligent P2P based image and file distribution system.

Who has time to write tests? This is a revolutional tool to make them write themselves.

The re library allows the easy construction of regular expressions via an expression language.

A modern fast tagging framework for Rails 3.1+

The administration framework for Ruby on Rails.

A tight DSL to build tables of ActiveRecord or Mongoid models with sorting, pagination, finding/filtering, selecting and batch actions. Tries to do for tables what formtastic and simple_form did for forms.

Like a blind date for the nastiest Ruby Mongo ORM and web framework.

A state machine plugin on top of ActiveRecord::Enum

Extracting `assigns` and `assert_template` from ActionDispatch.

A collection of Ruby methods to deal with statutory and other holidays. You deserve a holiday!

Ruboto (JRuby on Android) is a platform for developing full stand-alone apps for Android using the Ruby language and libraries. It includes support libraries and generators for creating projects, classes, tests, and more. The complete APIs of Android, Java, and Ruby are available to you using the Ruby language.

Test coverage reports for Xcode projects

font-awesome-rails provides the Font-Awesome web fonts and stylesheets as a Rails engine for use with the asset pipeline.

Sets package level boundaries between a specified set of ruby constants to minimize cross-boundary referencing and dependency.

Helper for triggering select for select2 javascript library

A Grape API serving a Slack bot to multiple teams.

A means of automating Heroku PGBackups and archiving them to Amazon S3.

Tired of getting off your terminal screen to answer that dickheads friends of yours? You can curse them right on the terminal now!

Ember App Kit for Rails

Lightweight and extensible elasticsearch client

A simple image optimizer for CarrierWave

Entity-style text parsing

Finder for appium-flutter-driver

Jekyll (Ruby static website generator) plugin which generates a Table of Contents for the page.

Use Youtube-Like ID in ActiveRecord seamlessly.

uniform notifier for rails logger, customized logger, javascript alert, javascript console, growl and xmpp

Highlight highlights code in more than 20 languages. It uses the Pygments syntax highlighter and adds a simple Ruby API over it. It also provides helpers for use in your Ruby on Rails views.

Generates Rails application layout files for use with various front-end frameworks.

A port of ThemeFisher's Airspace theme. https://github.com/themefisher/airspace-free-html5-agency-template

Adds language translation methods to strings and arrays, backed by the Google Translate API

Release your ruby gems with ease. (What a bold statement for such a tiny plugin ...)

OpenStack fog provider gem.

Enable librarians, curators, and others who are responsible for digital collections to create attractive, feature-rich websites that feature these collections.

Event sourcing

Rbkb is a collection of ruby-based pen-testing and reversing tools. Inspired by Matasano Blackbag.

Rails performance tests (removed from core in Rails 4.0)

Plot your data by Unicode characters

Classic arcade game written in Ruby w/ Gosu.

Attributes for Plain Old Ruby Objects

Enable enum type for MySQL db.

Corneal is a Sinatra app generator with Rails-like simplicity.

validates provides a set of commonly required validators (such as Email, Url, etc.) for Rails applications

Allow stimulus reflexes in a view component