**** letsencrypt-plugin gem has been renamed to acme-plugin, please use acme-plugin instead**letsencrypt-plugin is a Ruby on Rails helper for Let's Encrypt service for retrieving SSL certificates (without using sudo, like original letsencrypt client does). It uses acme-client gem for communication with Let's Encrypt server.

A simple gem to more elegantly place a staging server or other in-progress application behind a basic codeword. It’s easy to implement, share with clients/collaborators, and more beautiful than the typical password-protection sheet.

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

Loader to solve N+1 issue for good.

Passkit offers you a full Rails engine to serve Wallet Passes for iOS and Android in pkpass format.

An application generator from Platanus

Easily write arbitrary filters

Adds tabbed interface and custom field type for globalize translations to Rails_admin

Rails API Auth is a Rails Engine that implements the "Resource Owner Password Credentials Grant" OAuth 2.0 flow as well as Facebook authentication for API projects.

Rails Plugin for DataMapper

Web interface to manage i18n translations for your apps to facilitate the editors of your translations. Provides a low-tech and complete workflow for importing, translating, and exporting your I18n translation files. Design to allows you to keep the translation files inside your projects git repository where they should be.

Rails gem to push notifications for iOS, Android and Windows Phone devices

Record Cache for Rails 3

A gem that provides a Redis based web analytics solution for your rack-compliant apps. It gives you detailed analytics about visitors, unique visitors, browsers, OS, visitor recency, traffic sources and more

Manage your Redis instance (See keys, memory used, connected client, configuration, information)

Nice type and params for temporary JSONAPI support.

Retina Rails makes your application use high-resolution images by default. It automatically optimizes uploaded images (CarrierWave or Paperclip) for retina displays by making them twice the size and reducing the quality.

This gem makes Rails console sessions less dangerous in specified environments by warning, color-coding, auto-sandboxing, and allowing read-only external connections (disables job queueing, non-GET requests, etc.)

A smart sms verification tool

Mount Swagger UI web console as Rails engine, configure it as you want and write your API documentation in simple YAML files.