Extend any ActiveRecord object to have one or more named addresses. Includes a geographic region-aware custom form input backed by Carmen.

Automatically log all sent emails, user logins, and page views. This also will log custom events from Ruby and JavaScript.

Assign multiple roles to any User or other ActiveRecord object. Select only the appropriate objects based on intelligent, chainable ActiveRecord::Relation finder methods.

Calendar with event that uses many models

Tracks and logs events and sends notifications of events on Active Record models.

Mountable Engine to set up a Crowdfunding app

Gakubuchi provides a simple way to manage static pages with Asset Pipeline.

This gem using to  integrate hierapolis theme  on rails project.

Building a professional website on Rails has never been easier. Create fascinating blog posts and interesting pages using Integrals sleek backend. Integrated SEO gives you full control of your online presence. There are no fancy over complicated methodologies to learn, so long as you have a basic grasp of Rails then you’ll be up and running in no time - with the ability to easily customise Integral to exactly what you want.

Easy jQuery feature tours, based on ZURB's Joyride plugin (http://www.zurb.com/playground/jquery_joyride_feature_tour_plugin)

Bootstrap tools - UI Kit, Devise Views, and Component Partials

Maestrano is the next generation marketplace for SME applications. See https://maestrano.com for details.

Use the medivo platform to find lab locations, make labcorp appointments, place lab orders

Occams is a powerful Rails 6.1-7.1+ CMS Engine

Allows a model of your choosing (such as users) to subscribe to a plan, which enables features.

Rails admin engine

Polymorphic content blocks made simple.

The PublishMyData Rails Engine. Create rails apps with Linked Data functionality.

Provides several useful patterns, such as Enumerated, Command, Enquiry, Query, QueryFilter, Service and Presenter, packaged in a gem, for use in Rails and other Ruby applications.

Ha! Art thou Bedlam? Dost thou thirst base Trojan, to have me fold up Parca's fatal web? Hence!\ I am qualmish at the smell of leek.