ScheduleFu allows scheduling events with dates and times. It includes both the model and view portions of a calendar. It borrow heavily from acts_as_calendar (http://github.com/dball/acts_as_calendar) and calendar_helper (http://github.com/topfunky/calendar_helper).

Add social network capabilities to your projects.

A Rails Engine to fill in a select box based on a country_select

A highly flexible mountable Rails CMS built for rapid application development.

Simple and real-life tested Rails::Engine admin interface

Ancestry tree view in ActiveAdmin resource

ActiveAdmin CMS extension

Plugin for active admin which allows to easy modify I18n translations

Gemified AdminLTE, with RTL support.

Gemified AdminLTE, with SASS and RTL support for Rails.

Gem that focus on making a public site's resources very quickly while being very configurable!, supports facebook sharing, instagram and google analytics integration

simple ajax-driven modals for rails. uses bootstrap 4

The Announcements gem makes it easier to display short announcement messages in your views

https://github.com/toptierlabs/api_explorer

Dead simple asset uploader attachments for your active record models

little more magick when you upload image files (with SwfUpload and Dragonfly)

An action based auditor, which has internal as well as outgoing link tracking. Provides Analytics for User count in line-chart.

An opinionated almost-turnkey solution for managing authorization in Rails

Fill in your brazillian addresses automagically

A tool used to help with testing/auditing the security of a Rails application.