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.

an engine to abstract common html/css elements across Heroku properties

Create beatifull admin sections

BootstrapLeather is a collection of view helpers and scaffold generators that makes it easier to create apps using Twitter Bootstrap

Produce Bootstrap html with semantic helper methods.

The borutus plugin provides a complete double entry accounting system for use in any Ruby on Rails application. The plugin follows general Double Entry Bookkeeping practices. All calculations are done using BigDecimal in order to prevent floating point rounding errors. The plugin requires a decimal type on your database as well. %

Rails file manager engine

Brightcontent core

Rails authentication framework using Mozilla Persona and the BrowserID protocol.

CarrierWave extension for on fly specifying crop area with preview and cropping images before they saved.

A simple rails chat gem that leverages ActionCable